for examle, admin changed group membership for user. I'd like to see this event in log, but there is no such info logged with DEBUG logging level set for all packages

and I also need to log all such (configuration changes) events with descriptive info, ex.:
<timestamp> user 'admin' added user 'manager' to group 'project1'
<timestamp> user 'admin' copied workflow 'wrk1' to 'wrk2'