U on Nostr: Can I join this event too?

{ "id": "d1425fd267c14858fc0c8fe2836df9c16aa6c9f6e42e10b944a0042dffb9a2a5", "pubkey": "2448a66f6e7bfa55a566bbf6160a82a19a5c914701629fbb122c45de838296c9", "created_at": 1729494073, "kind": 1, "tags": [ [ "e", "1a2b36c5e62942ba9312292acf6831cb6cbd66e46e7ee8cb95a2bb2f0e89ae61", "", "root" ], [ "e", "6351fefa6f7f2b8cc644a19d25da896fbbb246e61affe485fab8720b6c317863", "", "reply" ], [ "p", "66df60562d939ada8612436489945a4ecf1d62346b3d9478dea8a338f3203c64", "", "mention" ], [ "p", "c1465ff5a7ad82074eef2f2876344e9a6133607eed5fc4d39fb05a8e02bad7a5", "", "mention" ] ], "content": "Can I join this event too?", "sig": "f3a6411f62f1d39ade3977fec8add300ba2e7c30098ab32e2d39b2974761ca657943b2ff81ed895caedd87dc82a96eb315ee0a1521592988eaf72f605ede1f01" }