{"e":"depthUpdate",// Event type"E":123456789,// Event time"T":123456788,// Transaction time "s":"BTCUSDT",// Symbol"U":157,// First update ID in event"u":160,// Final update ID in event"pu":149,// Final update Id in last stream(ie `u` in last stream)"b":[// Bids to be updated["0.0024",// Price level to be updated"10"// Quantity]],"a":[// Asks to be updated["0.0026",// Price level to be updated"100"// Quantity]]}