Event JSON
{
"id": "2cbc6242446d01f9cacd34304e7e4fc198487dd65e4d9bcf60581524e9b1edf9",
"pubkey": "a60d45617ca22e18ba7e3bd01c3897f2cf98082fbf462cd6360f45d9fc304d1a",
"created_at": 1675388694,
"kind": 1,
"tags": [],
"content": "hello world！",
"sig": "0302e5ff64c411ff3cda614abf1283cc8129912d29208651aef959e5c1c3cdd9962aca38e40704abf407f320ab66d1c20aa5ea870ad9d8da010d8c354f9ab23f"
}