Event JSON
{
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"created_at": 1671177236,
"kind": 1,
"tags": [],
"content": "this a post",
"sig": "dd9f9825c66a09affe3ec112385a845337897c96d84c269f5d0c7f306215e1e32f934c2fb956d257a25f97fff161f6f07c7d1c5307a705f6d08559725ac15c0c"
}