Improve journaling with clients telemetry

[dborovcanin]

Is your feature request related to a problem? Please describe.

I want the ability to see some basic telemetry related to my domain.

Describe the feature you are requesting, as well as the possible use case(s) for it.

Here is an example of telemetry I want to check:

• number of connections
• number of subscriptions
• number of inbound and outbound messages

Indicate the importance of this feature to you.

Must-have

Anything else?

No response