Event JSON
{
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"created_at": 1737990759,
"kind": 1,
"tags": [],
"content": "https://exchange-chart.deno.dev/btc_jpy/2025-01-28.png",
"sig": "e114aa0e77789b587c7a733ad0a39ec24a55d4c229cc322094d44da52186e1f84735c5d6ccd902d2ab958a2790e0d8460beae52913ad2b0d7ee76bd456175b8f"
}