{"e":"markPriceUpdate",// Event type"E":1562305380000,// Event time"s":"BTCUSDT",// Symbol"p":"11794.15000000",// Mark price"i":"11784.62659091",// Index price"P":"11784.25641265",// Estimated Settle Price, only useful in the last hour before the settlement starts"r":"0.00038167",// Funding rate"T":1562306400000// Next funding time}