成交記錄

  {
    "id": 1545910660741,                          
    "type": "subscribe",
    "topic": "/contractMarket/execution:XBTUSDM",
    "response": true                              
  }

 {
  "topic": "/contractMarket/execution:XBTUSDTM",
  "type": "message",
  "subject": "match",
  "sn": 1743169228057,
  "data": {
    "symbol": "XBTUSDTM", // 合約
    "sequence": 1743169228057, // 序列號，遞增不一定連續
    "side": "buy", //  taker的方向 
    "size": 5,     // 成交數量
    "price": "72137.3", // 成交價格
    "takerOrderId": "166754573174730752", // taker方訂單ID
    "makerOrderId": "166754559966867456",  // maker方訂單ID
    "tradeId": "1743169228057",// 交易號
    "ts": 1712570590399000000  // 成交時間 - 納秒
  }
}

Topic:/contractMarket/execution:{symbol}

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