[{"e":"markPriceUpdate",// Event type"E":1596095725000,// Event time"s":"BTCUSD_201225",// Symbol"p":"10934.62615417",// Mark Price"P":"10962.17178236",// Estimated Settle Price, only useful in the last hour before the settlement starts."i":"10933.62615417",// Index Price "r":"",// funding rate for perpetual symbol, "" will be shown for delivery symbol"T":0// next funding time for perpetual symbol, 0 will be shown for delivery symbol},{"e":"markPriceUpdate","E":1596095725000,"s":"BTCUSD_PERP","p":"11012.31359011","P":"10962.17178236","i":"10933.62615417",// Index Price "r":"0.00000000","T":1596096000000}]