A panel like "OpenShift Metering Task Lag", named "Rhelemeter Metering Task Lag", and showing metrics for the new topic, platform.rhsm-subscriptions.metering-rhel-tasks 

sum(kafka_consumergroup_group_lag{topic=~".*platform.rhsm-subscriptions.metering-rhel-tasks"}) by (group, partition) 

https://grafana.stage.devshift.net/d/lkPhH-1Zk/subscription-watch?orgId=1&from=1695831864142&to=1695918264142&viewPanel=76 

Instructions on updating grafana dashboards: https://github.com/RedHatInsights/rhsm-subscriptions#grafana-dashboards