username on Nostr: Hello world

{ "id": "d5d4fde39979005578574ae4d09c7a3cee4905a9d61c6e4914026c893bfc623c", "pubkey": "79dff8f82963424e0bb02708a22e44b4980893e3a4be0fa3cb60a43b946764e3", "created_at": 1693317041, "kind": 1, "tags": [], "content": "Hello world", "sig": "548371cf7a9fdea5a23a88d3a209fbe0de5257a32a162a77cbedf178a53510a09f1d818a501d7924ef0f6f17a7ef9753a60a9ef23eab8a1048b3c13a93f7b710" }