Summary

Include block sideband data (local_timestamp and height) in websocket messages for related topics like confirmations and new_unconfirmed_block.

What problem would be solved by this feature?

Would save an RPC request.

Are there any previous requests for this feature?

None that I could find

Do you have a suggested solution?

Provide it as a potential option on subscription.

If this feature is approved, would you be willing to submit a pull request with the solution?

Not able to.