username on Nostr: Hello world

{ "id": "b033e5515dbbd9e8ecff57433e891d3f0802d956c4aa6babe7208fa32b9a9229", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1693315389, "kind": 1, "tags": [], "content": "Hello world", "sig": "faf2afcf279a6aaf3af9db1b111b23ee87f4ac3d21dfa1c63a435597b2f9d21f5c61f0831b91484c5a0b7b46af90e804062cc37cd5502e02a39b79d61c8737ba" }