?`sum by(cluster)(grafanacloud_instance_alertmanager_notifications_per_second{id="${INSTANCE_ID}"}) - sum by (cluster)(grafanacloud_instance_alertmanager_notifications_failed_per_second{id="${INSTANCE_ID}"})`
?`sum by(cluster)(grafanacloud_instance_alertmanager_notifications_per_second{stack_id="${INSTANCE_ID}"}) - sum by (cluster)(grafanacloud_instance_alertmanager_notifications_failed_per_second{stack_id="${INSTANCE_ID}"})`
:`sum by(cluster)(grafanacloud_instance_alertmanager_notifications_per_second) - sum by (cluster)(grafanacloud_instance_alertmanager_notifications_failed_per_second)`;