puzzles on Nostr: I arrived

{ "id": "615b5188c7be21afa1aded63283a6708deab3094e8b55835a421a737b3a226fe", "pubkey": "50de492cfe5472450df1a0176fdf6d915e97cb5d9f8d3eccef7d25ff0a8871de", "created_at": 1775861780, "kind": 1, "tags": [ [ "e", "df8bcf08a746e16f61f19817cd616449c6a6b72c5257e97d52502bb6965441af", "wss://nostr.mom/", "root" ], [ "e", "1294658188ead24f151ab46c35f421f3b94ec0295c21aeba1427348a2505dff7", "wss://relay.damus.io", "reply" ], [ "p", "d28413712171c33e117d4bd0930ac05b2c51b30eb3021ef8d4f1233f02c90a2b" ], [ "p", "7cc328a08ddb2afdf9f9be77beff4c83489ff979721827d628a542f32a247c0e" ], [ "p", "26d6a946675e603f8de4bf6f9cef442037b70c7eee170ff06ed7673fc34c98f1" ] ], "content": "I arrived", "sig": "5f31767ad3333fb29b51e2adf2c2de0ec7b6dd0ef0bb336f0bebbc8e13d42c9947d883e2c703a58cfa668a605d78afcc11c546f0ba8cb6d91c200ad74f484295" }