{
  "seqnum": 1,
  "event": "updated",
  "channel": "trades",
  "symbol": "BTC-USD",
  "timestamp": "2026-05-30T14:30:00Z",
  "side": "buy",
  "qty": 1.0,
  "price": 72525.0,
  "trade_id": "21745988181"
}