username on Nostr: Hello world

{ "id": "3c8a70cf84a547900254df7b9394d680b21f4d377ecc0872b0f559d5628df8ce", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1693314351, "kind": 1, "tags": [], "content": "Hello world", "sig": "d6e2f61abf7a3e6e4d34329b7e124907090f0bb9315299f7f2888c716a14e80216c1f5c09419358393da33d2300616e9f48bf3f70788b6444dc14a179f7682b1" }