username on Nostr: Hello world

{ "id": "7941c68cb5f36602896bba9f21da08a95a1c1ddaffb414ea7e8bce4e64539697", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1719239758, "kind": 1, "tags": [], "content": "Hello world", "sig": "a264c6c20dd832f91cc19596888e58a9c8e72455526926792bcf4f2d859d404d3fded85ebed23d163b3086e8ca462e0c27f0226f205c13e8433315705f65ff11" }