username on Nostr: Hello world

{ "id": "25406034afde2ccdfbcb27017614d5fb1a512e58befd0a9d1f79e9d859adf7bd", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1718806861, "kind": 1, "tags": [], "content": "Hello world", "sig": "3677d28df14eaf7ff575cf109046da08c871d32863dd2add6d638396c4cca7a15d6096d4de1059ef7397722be784a3e3deae3efb935d85ebd342a8e74df1e072" }