Event JSON
{
"id": "759cdaddfa9dc41b8e63f7852003cb393e36564e7e6940772758c2e9ac2bddec",
"pubkey": "a086eb549ced39f27db74d9e9b8d02bb3bee93b7fe637901b9ddd16a9ec4e6a3",
"created_at": 1675346094,
"kind": 1,
"tags": [],
"content": "hello！",
"sig": "5681567e724a388c1b3dc278d8865f7320aeff4a271cd5504bd4689e862a6f6bcecfcde7904be0352a52e9671b753326e2c512017fd24185968cefc3907ed4fc"
}