nostr:npub1r9jrhg4d249sn7z7pyunpsa9zcdr7rjtg90x3w3e78a7jrp7wadsvw4h54 But nostr:npub1u6wyfa4temjavfh3ynmlplx77m6kn3w50fmmzz23m70eeyd2xdrsx3wzst talks about the same activitypub plugin in that post that  nostr:npub1psaqlqsvwy5puz0f7jqts384fxpgj3zcxmpe99hrd4uvs5mq20tqgfxhme is working on?