Event JSON
{
"id": "f0a34b4ef9c8643226191ed3da52975f18e139a12e1d4066542ff5e588e69378",
"pubkey": "0d944e0320b18c92b04494523df74d329a80be2e6cb053e891f4a34997c730b6",
"created_at": 1675489890,
"kind": 1,
"tags": [],
"content": "hi，world！",
"sig": "176d2a8414cc94aa5b440faa05ac5c8cf98832177cfc678b8d48e1b130603db0d39de81e72743ed8c1219154ed2aa85ee0f049cf69d241542061f2044f453ce2"
}