Event JSON
{
"id": "a08a1a604a65bc4192dd06203eacb648bd0b6bf72a997d64bc9880085a1b4df1",
"pubkey": "1022bfbca73b5a6926596e84f619dae606c57a600bb87be8b9284b8daff1a6c0",
"created_at": 1675283486,
"kind": 1,
"tags": [],
"content": "how to upload image？",
"sig": "f6ffcaea8608247eac084c48886cf17d29229df0b2248d314a2700b9368aae6140828193a3190a2ce98cd038c2724bcc4e234c9ba9613e431ca39288737c3f12"
}