diff --git a/pkg/api/annotations.go b/pkg/api/annotations.go
index 31e11eff73d..ef32c764e5a 100644
--- a/pkg/api/annotations.go
+++ b/pkg/api/annotations.go
@@ -140,7 +140,8 @@ func (hs *HTTPServer) PostAnnotation(c *contextmodel.ReqContext) response.Respon
 		return response.Error(http.StatusBadRequest, "Failed to save annotation", err)
 	}
 
-	userID, err := c.SignedInUser.GetID().UserID()
+	// nolint:staticcheck
+	userID, err := c.SignedInUser.GetInternalID()
 	if err != nil {
 		return response.Error(http.StatusInternalServerError, "Failed to save annotation", err)
 	}
@@ -227,7 +228,8 @@ func (hs *HTTPServer) PostGraphiteAnnotation(c *contextmodel.ReqContext) respons
 		return response.Error(http.StatusBadRequest, "Failed to save Graphite annotation", err)
 	}
 
-	userID, err := c.SignedInUser.GetID().UserID()
+	// nolint:staticcheck
+	userID, err := c.SignedInUser.GetInternalID()
 	if err != nil {
 		return response.Error(http.StatusInternalServerError, "Failed to save Graphite annotation", err)
 	}
@@ -284,7 +286,8 @@ func (hs *HTTPServer) UpdateAnnotation(c *contextmodel.ReqContext) response.Resp
 		}
 	}
 
-	userID, err := c.SignedInUser.GetID().UserID()
+	// nolint:staticcheck
+	userID, err := c.SignedInUser.GetInternalID()
 	if err != nil {
 		return response.Error(http.StatusInternalServerError, "Failed to update annotation", err)
 	}
@@ -346,7 +349,8 @@ func (hs *HTTPServer) PatchAnnotation(c *contextmodel.ReqContext) response.Respo
 		}
 	}
 
-	userID, err := c.SignedInUser.GetID().UserID()
+	// nolint:staticcheck
+	userID, err := c.SignedInUser.GetInternalID()
 	if err != nil {
 		return response.Error(http.StatusInternalServerError, "Failed to update annotation", err)
 	}
diff --git a/pkg/api/pluginproxy/ds_proxy_test.go b/pkg/api/pluginproxy/ds_proxy_test.go
index a5e72ba31e2..16203412fce 100644
--- a/pkg/api/pluginproxy/ds_proxy_test.go
+++ b/pkg/api/pluginproxy/ds_proxy_test.go
@@ -586,7 +586,8 @@ func TestDataSourceProxy_routeRule(t *testing.T) {
 			&contextmodel.ReqContext{
 				SignedInUser: &user.SignedInUser{
 					Login:        "test_user",
-					NamespacedID: identity.MustParseTypedID("user:1"),
+					FallbackType: identity.TypeUser,
+					UserID:       1,
 				},
 			},
 			&setting.Cfg{SendUserHeader: true},
diff --git a/pkg/api/pluginproxy/pluginproxy_test.go b/pkg/api/pluginproxy/pluginproxy_test.go
index 52959693305..2a89f18a27d 100644
--- a/pkg/api/pluginproxy/pluginproxy_test.go
+++ b/pkg/api/pluginproxy/pluginproxy_test.go
@@ -79,7 +79,8 @@ func TestPluginProxy(t *testing.T) {
 			&contextmodel.ReqContext{
 				SignedInUser: &user.SignedInUser{
 					Login:        "test_user",
-					NamespacedID: identity.MustParseTypedID("user:1"),
+					FallbackType: identity.TypeUser,
+					UserID:       1,
 				},
 				Context: &web.Context{
 					Req: httpReq,
diff --git a/pkg/apimachinery/identity/requester.go b/pkg/apimachinery/identity/requester.go
index 2c372d2182c..da9609b69a0 100644
--- a/pkg/apimachinery/identity/requester.go
+++ b/pkg/apimachinery/identity/requester.go
@@ -3,17 +3,28 @@ package identity
 import (
 	"fmt"
 	"strconv"
+
+	"k8s.io/apiserver/pkg/authentication/user"
 )
 
 type Requester interface {
-	// GetID returns namespaced id for the entity
+	user.Info
+
+	// GetIdentityType returns the type for the requester
+	GetIdentityType() IdentityType
+	// GetRawIdentifier returns only the identifier part of the UID, excluding the type
+	GetRawIdentifier() string
+	// Deprecated: use GetUID instead
+	GetInternalID() (int64, error)
+
+	// GetID returns namespaced internalID for the entity
+	// Deprecated: use GetUID instead
 	GetID() TypedID
 	// GetTypedID returns the namespace and ID of the active entity.
 	// The namespace is one of the constants defined in pkg/apimachinery/identity.
 	// Deprecated: use GetID instead
 	GetTypedID() (kind IdentityType, identifier string)
-	// GetUID returns namespaced uid for the entity
-	GetUID() TypedID
+
 	// GetDisplayName returns the display name of the active entity.
 	// The display name is the name if it is set, otherwise the login or email.
 	GetDisplayName() string
diff --git a/pkg/apimachinery/identity/static.go b/pkg/apimachinery/identity/static.go
index 43772845033..af4f5fa0565 100644
--- a/pkg/apimachinery/identity/static.go
+++ b/pkg/apimachinery/identity/static.go
@@ -30,6 +30,41 @@ type StaticRequester struct {
 	CacheKey    string
 }
 
+// GetRawIdentifier implements Requester.
+func (u *StaticRequester) GetUID() string {
+	return fmt.Sprintf("%s:%s", u.Type, u.UserUID)
+}
+
+// GetRawIdentifier implements Requester.
+func (u *StaticRequester) GetRawIdentifier() string {
+	return u.UserUID
+}
+
+// GetInternalID implements Requester.
+func (u *StaticRequester) GetInternalID() (int64, error) {
+	return u.UserID, nil
+}
+
+// GetIdentityType implements Requester.
+func (u *StaticRequester) GetIdentityType() IdentityType {
+	return u.Type
+}
+
+// GetExtra implements Requester.
+func (u *StaticRequester) GetExtra() map[string][]string {
+	return map[string][]string{}
+}
+
+// GetGroups implements Requester.
+func (u *StaticRequester) GetGroups() []string {
+	return []string{}
+}
+
+// GetName implements Requester.
+func (u *StaticRequester) GetName() string {
+	return u.DisplayName
+}
+
 func (u *StaticRequester) HasRole(role RoleType) bool {
 	if u.IsGrafanaAdmin {
 		return true
@@ -109,11 +144,6 @@ func (u *StaticRequester) GetID() TypedID {
 	return NewTypedIDString(u.Type, fmt.Sprintf("%d", u.UserID))
 }
 
-// GetUID returns namespaced uid for the entity
-func (u *StaticRequester) GetUID() TypedID {
-	return NewTypedIDString(u.Type, u.UserUID)
-}
-
 // GetTypedID returns the namespace and ID of the active entity
 // The namespace is one of the constants defined in pkg/apimachinery/identity
 func (u *StaticRequester) GetTypedID() (IdentityType, string) {
diff --git a/pkg/services/accesscontrol/acimpl/accesscontrol.go b/pkg/services/accesscontrol/acimpl/accesscontrol.go
index 16818dd27ce..a1dd9bbcc95 100644
--- a/pkg/services/accesscontrol/acimpl/accesscontrol.go
+++ b/pkg/services/accesscontrol/acimpl/accesscontrol.go
@@ -108,7 +108,7 @@ func (a *AccessControl) evaluateZanzana(ctx context.Context, user identity.Reque
 
 	return eval.EvaluateCustom(func(action, scope string) (bool, error) {
 		kind, _, identifier := accesscontrol.SplitScope(scope)
-		key, ok := zanzana.TranslateToTuple(user.GetUID().String(), action, kind, identifier, user.GetOrgID())
+		key, ok := zanzana.TranslateToTuple(user.GetUID(), action, kind, identifier, user.GetOrgID())
 		if !ok {
 			// unsupported translation
 			return false, errAccessNotImplemented
diff --git a/pkg/services/accesscontrol/cacheutils_test.go b/pkg/services/accesscontrol/cacheutils_test.go
index b661f5fd6fc..b65ec9485d6 100644
--- a/pkg/services/accesscontrol/cacheutils_test.go
+++ b/pkg/services/accesscontrol/cacheutils_test.go
@@ -21,7 +21,7 @@ func TestPermissionCacheKey(t *testing.T) {
 			signedInUser: &user.SignedInUser{
 				OrgID:        1,
 				UserID:       1,
-				NamespacedID: identity.MustParseTypedID("user:1"),
+				FallbackType: identity.TypeUser,
 			},
 			expected: "rbac-permissions-1-user-1",
 		},
@@ -31,7 +31,7 @@ func TestPermissionCacheKey(t *testing.T) {
 				OrgID:            1,
 				ApiKeyID:         1,
 				IsServiceAccount: false,
-				NamespacedID:     identity.MustParseTypedID("user:1"),
+				FallbackType:     identity.TypeUser,
 			},
 			expected: "rbac-permissions-1-api-key-1",
 		},
@@ -41,7 +41,7 @@ func TestPermissionCacheKey(t *testing.T) {
 				OrgID:            1,
 				UserID:           1,
 				IsServiceAccount: true,
-				NamespacedID:     identity.MustParseTypedID("service-account:1"),
+				FallbackType:     identity.TypeUser,
 			},
 			expected: "rbac-permissions-1-service-account-1",
 		},
@@ -51,7 +51,7 @@ func TestPermissionCacheKey(t *testing.T) {
 				OrgID:            1,
 				UserID:           -1,
 				IsServiceAccount: true,
-				NamespacedID:     identity.MustParseTypedID("service-account:-1"),
+				FallbackType:     identity.TypeUser, // NOTE, this is still a service account!
 			},
 			expected: "rbac-permissions-1-service-account--1",
 		},
@@ -60,7 +60,7 @@ func TestPermissionCacheKey(t *testing.T) {
 			signedInUser: &user.SignedInUser{
 				OrgID:        1,
 				OrgRole:      org.RoleNone,
-				NamespacedID: identity.MustParseTypedID("user:1"),
+				FallbackType: identity.TypeUser,
 			},
 			expected: "rbac-permissions-1-user-None",
 		},
diff --git a/pkg/services/apiserver/auth/authenticator/signedinuser.go b/pkg/services/apiserver/auth/authenticator/signedinuser.go
index 2c3e568f0e8..32e4a1e8a7a 100644
--- a/pkg/services/apiserver/auth/authenticator/signedinuser.go
+++ b/pkg/services/apiserver/auth/authenticator/signedinuser.go
@@ -2,13 +2,10 @@ package authenticator
 
 import (
 	"net/http"
-	"strconv"
 
+	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"k8s.io/apiserver/pkg/authentication/authenticator"
-	k8suser "k8s.io/apiserver/pkg/authentication/user"
 	"k8s.io/klog/v2"
-
-	"github.com/grafana/grafana/pkg/apimachinery/identity"
 )
 
 var _ authenticator.RequestFunc = signedInUserAuthenticator
@@ -21,28 +18,7 @@ func signedInUserAuthenticator(req *http.Request) (*authenticator.Response, bool
 		return nil, false, nil
 	}
 
-	userInfo := &k8suser.DefaultInfo{
-		Name:   signedInUser.GetLogin(),
-		UID:    signedInUser.GetUID().ID(),
-		Groups: []string{},
-		// In order to faithfully round-trip through an impersonation flow, Extra keys MUST be lowercase.
-		// see: https://pkg.go.dev/k8s.io/apiserver@v0.27.1/pkg/authentication/user#Info
-		Extra: map[string][]string{},
-	}
-
-	for _, v := range signedInUser.GetTeams() {
-		userInfo.Groups = append(userInfo.Groups, strconv.FormatInt(v, 10))
-	}
-
-	//
-	if signedInUser.GetIDToken() != "" {
-		userInfo.Extra["id-token"] = []string{signedInUser.GetIDToken()}
-	}
-	if signedInUser.GetOrgRole().IsValid() {
-		userInfo.Extra["user-instance-role"] = []string{string(signedInUser.GetOrgRole())}
-	}
-
 	return &authenticator.Response{
-		User: userInfo,
+		User: signedInUser,
 	}, true, nil
 }
diff --git a/pkg/services/apiserver/auth/authenticator/signedinuser_test.go b/pkg/services/apiserver/auth/authenticator/signedinuser_test.go
index 86490c61dc5..872958f6ce6 100644
--- a/pkg/services/apiserver/auth/authenticator/signedinuser_test.go
+++ b/pkg/services/apiserver/auth/authenticator/signedinuser_test.go
@@ -28,9 +28,9 @@ func TestSignedInUser(t *testing.T) {
 
 	t.Run("should set user and group", func(t *testing.T) {
 		u := &user.SignedInUser{
-			Login:   "admin",
+			Name:    "admin",
 			UserID:  1,
-			UserUID: uuid.New().String(),
+			UserUID: "xyz",
 			Teams:   []int64{1, 2},
 		}
 		ctx := identity.WithRequester(context.Background(), u)
@@ -44,15 +44,15 @@ func TestSignedInUser(t *testing.T) {
 		require.True(t, ok)
 		require.False(t, mockAuthenticator.called)
 
-		require.Equal(t, u.Login, res.User.GetName())
-		require.Equal(t, u.UserUID, res.User.GetUID())
+		require.Equal(t, u.GetName(), res.User.GetName())
+		require.Equal(t, u.GetUID(), res.User.GetUID())
 		require.Equal(t, []string{"1", "2"}, res.User.GetGroups())
 		require.Empty(t, res.User.GetExtra()["id-token"])
 	})
 
 	t.Run("should set ID token when available", func(t *testing.T) {
 		u := &user.SignedInUser{
-			Login:   "admin",
+			Name:    "admin",
 			UserID:  1,
 			UserUID: uuid.New().String(),
 			Teams:   []int64{1, 2},
@@ -69,8 +69,8 @@ func TestSignedInUser(t *testing.T) {
 		require.True(t, ok)
 
 		require.False(t, mockAuthenticator.called)
-		require.Equal(t, u.Login, res.User.GetName())
-		require.Equal(t, u.UserUID, res.User.GetUID())
+		require.Equal(t, u.GetName(), res.User.GetName())
+		require.Equal(t, u.GetUID(), res.User.GetUID())
 		require.Equal(t, []string{"1", "2"}, res.User.GetGroups())
 		require.Equal(t, "test-id-token", res.User.GetExtra()["id-token"][0])
 	})
diff --git a/pkg/services/apiserver/auth/authorizer/org_id.go b/pkg/services/apiserver/auth/authorizer/org_id.go
index f2630922280..b9425a585c8 100644
--- a/pkg/services/apiserver/auth/authorizer/org_id.go
+++ b/pkg/services/apiserver/auth/authorizer/org_id.go
@@ -4,12 +4,11 @@ import (
 	"context"
 	"fmt"
 
-	"k8s.io/apiserver/pkg/authorization/authorizer"
-
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/infra/log"
 	grafanarequest "github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
 	"github.com/grafana/grafana/pkg/services/org"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
 )
 
 var _ authorizer.Authorizer = &orgIDAuthorizer{}
@@ -56,7 +55,8 @@ func (auth orgIDAuthorizer) Authorize(ctx context.Context, a authorizer.Attribut
 	}
 
 	// Check if the user has access to the specified org
-	userId, err := signedInUser.GetID().UserID()
+	// nolint:staticcheck
+	userId, err := signedInUser.GetInternalID()
 	if err != nil {
 		return authorizer.DecisionDeny, "unable to get userId", err
 	}
diff --git a/pkg/services/apiserver/auth/authorizer/org_role.go b/pkg/services/apiserver/auth/authorizer/org_role.go
index 9c03f3ba795..c79be633df6 100644
--- a/pkg/services/apiserver/auth/authorizer/org_role.go
+++ b/pkg/services/apiserver/auth/authorizer/org_role.go
@@ -4,11 +4,10 @@ import (
 	"context"
 	"fmt"
 
-	"k8s.io/apiserver/pkg/authorization/authorizer"
-
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/services/org"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
 )
 
 var _ authorizer.Authorizer = &orgRoleAuthorizer{}
diff --git a/pkg/services/apiserver/auth/authorizer/provider.go b/pkg/services/apiserver/auth/authorizer/provider.go
index 5cd92982e40..134855c996e 100644
--- a/pkg/services/apiserver/auth/authorizer/provider.go
+++ b/pkg/services/apiserver/auth/authorizer/provider.go
@@ -3,14 +3,13 @@ package authorizer
 import (
 	"context"
 
+	orgsvc "github.com/grafana/grafana/pkg/services/org"
+	"github.com/grafana/grafana/pkg/setting"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	k8suser "k8s.io/apiserver/pkg/authentication/user"
 	"k8s.io/apiserver/pkg/authorization/authorizer"
 	"k8s.io/apiserver/pkg/authorization/authorizerfactory"
 	"k8s.io/apiserver/pkg/authorization/union"
-
-	orgsvc "github.com/grafana/grafana/pkg/services/org"
-	"github.com/grafana/grafana/pkg/setting"
 )
 
 var _ authorizer.Authorizer = (*GrafanaAuthorizer)(nil)
diff --git a/pkg/services/apiserver/auth/authorizer/stack_id.go b/pkg/services/apiserver/auth/authorizer/stack_id.go
index af4c309e226..da24f890aae 100644
--- a/pkg/services/apiserver/auth/authorizer/stack_id.go
+++ b/pkg/services/apiserver/auth/authorizer/stack_id.go
@@ -4,12 +4,11 @@ import (
 	"context"
 	"fmt"
 
-	"k8s.io/apiserver/pkg/authorization/authorizer"
-
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/infra/log"
 	grafanarequest "github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
 	"github.com/grafana/grafana/pkg/setting"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
 )
 
 var _ authorizer.Authorizer = &stackIDAuthorizer{}
diff --git a/pkg/services/auth/idimpl/service.go b/pkg/services/auth/idimpl/service.go
index 8fdde765255..d4c05e01184 100644
--- a/pkg/services/auth/idimpl/service.go
+++ b/pkg/services/auth/idimpl/service.go
@@ -97,7 +97,7 @@ func (s *Service) SignIdentity(ctx context.Context, id identity.Requester) (stri
 			claims.Rest.EmailVerified = id.IsEmailVerified()
 			claims.Rest.AuthenticatedBy = id.GetAuthenticatedBy()
 			claims.Rest.Username = id.GetLogin()
-			claims.Rest.UID = id.GetUID().String()
+			claims.Rest.UID = id.GetUID()
 		}
 
 		token, err := s.signer.SignIDToken(ctx, claims)
diff --git a/pkg/services/authn/identity.go b/pkg/services/authn/identity.go
index 2ad7534ff4a..51bd72e5156 100644
--- a/pkg/services/authn/identity.go
+++ b/pkg/services/authn/identity.go
@@ -72,6 +72,43 @@ type Identity struct {
 	IDToken string
 }
 
+// GetRawIdentifier implements Requester.
+func (i *Identity) GetRawIdentifier() string {
+	return i.UID.ID()
+}
+
+// GetInternalID implements Requester.
+func (i *Identity) GetInternalID() (int64, error) {
+	return i.ID.UserID()
+}
+
+// GetIdentityType implements Requester.
+func (i *Identity) GetIdentityType() identity.IdentityType {
+	return i.UID.Type()
+}
+
+// GetExtra implements identity.Requester.
+func (i *Identity) GetExtra() map[string][]string {
+	extra := map[string][]string{}
+	if i.IDToken != "" {
+		extra["id-token"] = []string{i.IDToken}
+	}
+	if i.GetOrgRole().IsValid() {
+		extra["user-instance-role"] = []string{string(i.GetOrgRole())}
+	}
+	return extra
+}
+
+// GetGroups implements identity.Requester.
+func (i *Identity) GetGroups() []string {
+	return []string{} // teams?
+}
+
+// GetName implements identity.Requester.
+func (i *Identity) GetName() string {
+	return i.Name
+}
+
 func (i *Identity) GetID() identity.TypedID {
 	return i.ID
 }
@@ -80,8 +117,8 @@ func (i *Identity) GetTypedID() (namespace identity.IdentityType, identifier str
 	return i.ID.Type(), i.ID.ID()
 }
 
-func (i *Identity) GetUID() identity.TypedID {
-	return i.UID
+func (i *Identity) GetUID() string {
+	return i.UID.String()
 }
 
 func (i *Identity) GetAuthID() string {
@@ -227,7 +264,7 @@ func (i *Identity) SignedInUser() *user.SignedInUser {
 		Teams:           i.Teams,
 		Permissions:     i.Permissions,
 		IDToken:         i.IDToken,
-		NamespacedID:    i.ID,
+		FallbackType:    i.ID.Type(),
 	}
 
 	if i.ID.IsType(identity.TypeAPIKey) {
diff --git a/pkg/services/live/features/dashboard.go b/pkg/services/live/features/dashboard.go
index 57040d9b214..a0459f39664 100644
--- a/pkg/services/live/features/dashboard.go
+++ b/pkg/services/live/features/dashboard.go
@@ -37,15 +37,11 @@ type userDisplayDTO struct {
 
 // Static function to parse a requester into a userDisplayDTO
 func newUserDisplayDTOFromRequester(requester identity.Requester) *userDisplayDTO {
-	uid := ""
-	if requester.GetUID().IsType(identity.TypeUser, identity.TypeServiceAccount) {
-		uid = requester.GetUID().ID()
-	}
-
-	userID, _ := requester.GetID().UserID()
+	// nolint:staticcheck
+	userID, _ := requester.GetInternalID()
 	return &userDisplayDTO{
 		ID:    userID,
-		UID:   uid,
+		UID:   requester.GetRawIdentifier(),
 		Login: requester.GetLogin(),
 		Name:  requester.GetDisplayName(),
 	}
diff --git a/pkg/services/store/entity/sqlstash/utils.go b/pkg/services/store/entity/sqlstash/utils.go
index 3d140ea31c3..b9ce27a59e8 100644
--- a/pkg/services/store/entity/sqlstash/utils.go
+++ b/pkg/services/store/entity/sqlstash/utils.go
@@ -32,7 +32,7 @@ func getCurrentUser(ctx context.Context) (string, error) {
 		return "", fmt.Errorf("%w: %w", ErrUserNotFoundInContext, err)
 	}
 
-	return user.GetUID().String(), nil
+	return user.GetUID(), nil
 }
 
 // ptrOr returns the first non-nil pointer in the list or a new non-nil pointer.
diff --git a/pkg/services/store/entity/tests/server_integration_test.go b/pkg/services/store/entity/tests/server_integration_test.go
index 1cb9d486dda..5b8f647ef84 100644
--- a/pkg/services/store/entity/tests/server_integration_test.go
+++ b/pkg/services/store/entity/tests/server_integration_test.go
@@ -121,7 +121,7 @@ func TestIntegrationEntityServer(t *testing.T) {
 	testCtx := createTestContext(t)
 	ctx := identity.WithRequester(testCtx.ctx, testCtx.user)
 
-	fakeUser := testCtx.user.GetUID().String()
+	fakeUser := testCtx.user.GetUID()
 	firstVersion := int64(0)
 	group := "test.grafana.app"
 	resource := "jsonobjs"
diff --git a/pkg/services/user/identity.go b/pkg/services/user/identity.go
index a6100ded51e..b5906276ea5 100644
--- a/pkg/services/user/identity.go
+++ b/pkg/services/user/identity.go
@@ -42,8 +42,75 @@ type SignedInUser struct {
 	Permissions map[int64]map[string][]string `json:"-"`
 	// IDToken is a signed token representing the identity that can be forwarded to plugins and external services.
 	// Will only be set when featuremgmt.FlagIdForwarding is enabled.
-	IDToken      string `json:"-" xorm:"-"`
-	NamespacedID identity.TypedID
+	IDToken string `json:"-" xorm:"-"`
+
+	// When other settings are not deterministic, this value is used
+	FallbackType identity.IdentityType
+}
+
+// GetRawIdentifier implements Requester.
+func (u *SignedInUser) GetRawIdentifier() string {
+	if u.UserUID == "" {
+		// nolint:staticcheck
+		id, _ := u.GetInternalID()
+		return strconv.FormatInt(id, 10)
+	}
+	return u.UserUID
+}
+
+// Deprecated: use GetUID
+func (u *SignedInUser) GetInternalID() (int64, error) {
+	switch {
+	case u.ApiKeyID != 0:
+		return u.ApiKeyID, nil
+	case u.IsAnonymous:
+		return 0, nil
+	default:
+	}
+	return u.UserID, nil
+}
+
+// GetIdentityType implements Requester.
+func (u *SignedInUser) GetIdentityType() identity.IdentityType {
+	switch {
+	case u.ApiKeyID != 0:
+		return identity.TypeAPIKey
+	case u.IsServiceAccount:
+		return identity.TypeServiceAccount
+	case u.UserID > 0:
+		return identity.TypeUser
+	case u.IsAnonymous:
+		return identity.TypeAnonymous
+	case u.AuthenticatedBy == "render" && u.UserID == 0:
+		return identity.TypeRenderService
+	}
+	return u.FallbackType
+}
+
+// GetName implements identity.Requester.
+func (u *SignedInUser) GetName() string {
+	return u.Name
+}
+
+// GetExtra implements Requester.
+func (u *SignedInUser) GetExtra() map[string][]string {
+	extra := map[string][]string{}
+	if u.IDToken != "" {
+		extra["id-token"] = []string{u.IDToken}
+	}
+	if u.OrgRole.IsValid() {
+		extra["user-instance-role"] = []string{string(u.GetOrgRole())}
+	}
+	return extra
+}
+
+// GetGroups implements Requester.
+func (u *SignedInUser) GetGroups() []string {
+	groups := []string{}
+	for _, t := range u.Teams {
+		groups = append(groups, strconv.FormatInt(t, 10))
+	}
+	return groups
 }
 
 func (u *SignedInUser) ShouldUpdateLastSeenAt() bool {
@@ -194,25 +261,11 @@ func (u *SignedInUser) GetTypedID() (identity.IdentityType, string) {
 		return identity.TypeRenderService, "0"
 	}
 
-	return u.NamespacedID.Type(), u.NamespacedID.ID()
+	return u.FallbackType, strconv.FormatInt(u.UserID, 10)
 }
 
-// GetUID returns namespaced uid for the entity
-func (u *SignedInUser) GetUID() identity.TypedID {
-	switch {
-	case u.ApiKeyID != 0:
-		return identity.NewTypedIDString(identity.TypeAPIKey, strconv.FormatInt(u.ApiKeyID, 10))
-	case u.IsServiceAccount:
-		return identity.NewTypedIDString(identity.TypeServiceAccount, u.UserUID)
-	case u.UserID > 0:
-		return identity.NewTypedIDString(identity.TypeUser, u.UserUID)
-	case u.IsAnonymous:
-		return identity.NewTypedIDString(identity.TypeAnonymous, "0")
-	case u.AuthenticatedBy == "render" && u.UserID == 0:
-		return identity.NewTypedIDString(identity.TypeRenderService, "0")
-	}
-
-	return identity.NewTypedIDString(identity.TypeEmpty, "0")
+func (u *SignedInUser) GetUID() string {
+	return fmt.Sprintf("%s:%s", u.GetIdentityType(), u.GetRawIdentifier())
 }
 
 func (u *SignedInUser) GetAuthID() string {
diff --git a/pkg/storage/unified/apistore/prepare.go b/pkg/storage/unified/apistore/prepare.go
index 0a8dc35377a..6933b385673 100644
--- a/pkg/storage/unified/apistore/prepare.go
+++ b/pkg/storage/unified/apistore/prepare.go
@@ -42,7 +42,7 @@ func (s *Storage) prepareObjectForStorage(ctx context.Context, newObject runtime
 	obj.SetOriginInfo(origin)
 	obj.SetUpdatedBy("")
 	obj.SetUpdatedTimestamp(nil)
-	obj.SetCreatedBy(user.GetUID().String())
+	obj.SetCreatedBy(user.GetUID())
 
 	var buf bytes.Buffer
 	err = s.codec.Encode(newObject, &buf)
@@ -81,7 +81,7 @@ func (s *Storage) prepareObjectForUpdate(ctx context.Context, updateObject runti
 		return nil, err
 	}
 	obj.SetOriginInfo(origin)
-	obj.SetUpdatedBy(user.GetUID().String())
+	obj.SetUpdatedBy(user.GetUID())
 	obj.SetUpdatedTimestampMillis(time.Now().UnixMilli())
 
 	var buf bytes.Buffer
diff --git a/pkg/storage/unified/resource/grpc/authenticator.go b/pkg/storage/unified/resource/grpc/authenticator.go
index e4c59996eaa..1720f73dca2 100644
--- a/pkg/storage/unified/resource/grpc/authenticator.go
+++ b/pkg/storage/unified/resource/grpc/authenticator.go
@@ -150,7 +150,7 @@ func encodeIdentityInMetadata(user identity.Requester) metadata.MD {
 
 		// Or we can create it directly
 		mdUserID, user.GetID().String(),
-		mdUserUID, user.GetUID().String(),
+		mdUserUID, user.GetUID(),
 		mdOrgName, user.GetOrgName(),
 		mdOrgID, strconv.FormatInt(user.GetOrgID(), 10),
 		mdOrgRole, string(user.GetOrgRole()),
@@ -158,6 +158,6 @@ func encodeIdentityInMetadata(user identity.Requester) metadata.MD {
 
 		// TODO, Remove after this is deployed to unified storage
 		"grafana-userid", user.GetID().ID(),
-		"grafana-useruid", user.GetUID().ID(),
+		"grafana-useruid", user.GetRawIdentifier(),
 	)
 }
diff --git a/pkg/storage/unified/resource/grpc/authenticator_test.go b/pkg/storage/unified/resource/grpc/authenticator_test.go
index bcd4aadca72..40279763b1e 100644
--- a/pkg/storage/unified/resource/grpc/authenticator_test.go
+++ b/pkg/storage/unified/resource/grpc/authenticator_test.go
@@ -27,6 +27,7 @@ func TestBasicEncodeDecode(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, before.GetID(), after.GetID())
 	require.Equal(t, before.GetUID(), after.GetUID())
+	require.Equal(t, before.GetIdentityType(), after.GetIdentityType())
 	require.Equal(t, before.GetLogin(), after.GetLogin())
 	require.Equal(t, before.GetOrgID(), after.GetOrgID())
 	require.Equal(t, before.GetOrgName(), after.GetOrgName())
diff --git a/pkg/storage/unified/resource/server.go b/pkg/storage/unified/resource/server.go
index 5ec6f2e4015..22b69ff4d31 100644
--- a/pkg/storage/unified/resource/server.go
+++ b/pkg/storage/unified/resource/server.go
@@ -447,7 +447,7 @@ func (s *server) Delete(ctx context.Context, req *DeleteRequest) (*DeleteRespons
 	obj.SetUpdatedTimestamp(&now.Time)
 	obj.SetManagedFields(nil)
 	obj.SetFinalizers(nil)
-	obj.SetUpdatedBy(requester.GetUID().String())
+	obj.SetUpdatedBy(requester.GetUID())
 	marker.TypeMeta = metav1.TypeMeta{
 		Kind:       "DeletedMarker",
 		APIVersion: "common.grafana.app/v0alpha1", // ?? or can we stick this in common?
diff --git a/pkg/storage/unified/resource/server_test.go b/pkg/storage/unified/resource/server_test.go
index 54a2d51dfb8..63023aa3d34 100644
--- a/pkg/storage/unified/resource/server_test.go
+++ b/pkg/storage/unified/resource/server_test.go
@@ -116,7 +116,7 @@ func TestSimpleServer(t *testing.T) {
 		require.NoError(t, err)
 		obj.SetAnnotation("test", "hello")
 		obj.SetUpdatedTimestampMillis(now)
-		obj.SetUpdatedBy(testUserA.GetUID().String())
+		obj.SetUpdatedBy(testUserA.GetUID())
 		raw, err = json.Marshal(tmp)
 		require.NoError(t, err)
 
diff --git a/pkg/tests/apis/helper.go b/pkg/tests/apis/helper.go
index a19ca52eede..3bee282dafd 100644
--- a/pkg/tests/apis/helper.go
+++ b/pkg/tests/apis/helper.go
@@ -466,7 +466,8 @@ func (c *K8sTestHelper) CreateUser(name string, orgName string, basicRole org.Ro
 }
 
 func (c *K8sTestHelper) SetPermissions(user User, permissions []resourcepermissions.SetResourcePermissionCommand) {
-	id, err := user.Identity.GetID().UserID()
+	// nolint:staticcheck
+	id, err := user.Identity.GetInternalID()
 	require.NoError(c.t, err)
 
 	permissionsStore := resourcepermissions.NewStore(c.env.Cfg, c.env.SQLStore, featuremgmt.WithFeatures())
diff --git a/pkg/util/proxyutil/proxyutil_test.go b/pkg/util/proxyutil/proxyutil_test.go
index 1e1ca69c13d..40836a75d40 100644
--- a/pkg/util/proxyutil/proxyutil_test.go
+++ b/pkg/util/proxyutil/proxyutil_test.go
@@ -175,7 +175,7 @@ func TestApplyUserHeader(t *testing.T) {
 		require.NoError(t, err)
 		req.Header.Set("X-Grafana-User", "admin")
 
-		ApplyUserHeader(false, req, &user.SignedInUser{Login: "admin", NamespacedID: identity.MustParseTypedID("user:1")})
+		ApplyUserHeader(false, req, &user.SignedInUser{Login: "admin", UserID: 1, FallbackType: identity.TypeUser})
 		require.NotContains(t, req.Header, "X-Grafana-User")
 	})
 
@@ -192,7 +192,7 @@ func TestApplyUserHeader(t *testing.T) {
 		req, err := http.NewRequest(http.MethodGet, "/", nil)
 		require.NoError(t, err)
 
-		ApplyUserHeader(true, req, &user.SignedInUser{IsAnonymous: true, NamespacedID: identity.MustParseTypedID("anonymous:0")})
+		ApplyUserHeader(true, req, &user.SignedInUser{IsAnonymous: true, FallbackType: identity.TypeAnonymous})
 		require.NotContains(t, req.Header, "X-Grafana-User")
 	})
 
@@ -200,7 +200,7 @@ func TestApplyUserHeader(t *testing.T) {
 		req, err := http.NewRequest(http.MethodGet, "/", nil)
 		require.NoError(t, err)
 
-		ApplyUserHeader(true, req, &user.SignedInUser{Login: "admin", NamespacedID: identity.MustParseTypedID("user:1")})
+		ApplyUserHeader(true, req, &user.SignedInUser{Login: "admin", UserID: 1, FallbackType: identity.TypeUser})
 		require.Equal(t, "admin", req.Header.Get("X-Grafana-User"))
 	})
 }