Do they see nostr? Cause it seems like one way interaction to me, or maybe that’s just the culture over der 
This is most likely coming from activity pub and not from nostr. I think nostr:npub1q3sle0kvfsehgsuexttt3ugjd8xdklxfwwkh559wxckmzddywnws6cd26p made a bridge from there to here.
Discussion
I don’t know. I don’t spend that much time in fediverse.