username on Nostr: Hello world

{ "id": "d3f0ff52a65bb2b49f7ce0be9aed5dbfba9f56ca5c08001b182bda3d409ac734", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1735780642, "kind": 1, "tags": [], "content": "Hello world", "sig": "d130a7e69479f8cb27a83e2a42a475613375c824fb9ba563f2112b1d6dddd377a5251d9fb2a6cecaa8d887cbfcba04afd2a57f7568bfbf8d640c751568d4d486" }