Event JSON
{
"id": "47327f83dd4dc11391d37888995ff4db57fa6ddac30b1c54d83efda611e6fe6c",
"pubkey": "1fa1397c0fd43941e844d34e9c3b55470f7735103d3ca432f149a968a6dbf1ac",
"created_at": 1699168455,
"kind": 1,
"tags": [],
"content": "Hello，world！",
"sig": "1e74f158c5671c4055060bb532a57a35a82528c22d7af8a492e7de9a95dfa24db52805a175ff1fe99141d9e6fb71fe3860448a6a3870429a996e4b545e9d306c"
}