Transaction Statistics Timer Event

//Transaction Statistics Timer Event
{
  "topic": "/contractMarket/snapshot:XBTUSDM",
  "subject": "snapshot.24h",
  "data": {
    "volume": 30449670, //24h Volume
    "turnover": 845169919063, //24h Turnover
    "lastPrice": 3551, //Last price
    "priceChgPct": 0.0043, //24h Change
    "ts": 1547697294838004923 //Snapshot time (nanosecond)
  }
}

Topic:/contractMarket/snapshot:{symbol}

• Push frequency: once every 5000ms