{"e":"depthUpdate",// Event type"E":1591270260907,// Event time"T":1591270260891,// Transction time"s":"BTCUSD_200626",// Symbol"ps":"BTCUSD",// Pair"U":17285681,// First update ID in event"u":17285702,// Final update ID in event"pu":17285675,// Final update Id in last stream(ie `u` in last stream)"b":[// Bids to be updated["9517.6",// Price level to be updated"10"// Quantity]],"a":[// Asks to be updated["9518.5",// Price level to be updated"45"// Quantity]]}