Maestro on Nostr: I would like to be part of closed chat! Don’t know what I have to do? I don’t ...

I would like to be part of closed chat! Don’t know what I have to do? I don’t know my pub or priv key or what to do with 0xchat? I am exercising though. I’m on holiday in the Adirondacks in New York State. Hiked second highest peak today (Algonquin peak). It was a gorgeous day 😁.