Trade

{
    "topic": "trade@SPOT_BTC_USDT",
    "ts": 1618820361552,
    "data": {
        "s": "SPOT_BTC_USDT",  // symbol
        "px": "42598.27",      // price
        "sx": "300",           // size
        "sd": "BUY",           // side
        "src": 0,              // trade source, 1 = internal (trades on WOO X), 0 = external (trades from aggregrated sources)
        "ts": 1618820361540    // trade generation time in engine
    }
}