{"e":"depthUpdate",// Event type"E":1571889248277,// Event time"T":1571889248276,// Transaction time"s":"BTCUSDT","U":390497796,"u":390497878,"pu":390497794,"b":[// Bids to be updated["7403.89",// Price Level to be updated"0.002"// Quantity],["7403.90","3.906"],["7404.00","1.428"],["7404.85","5.239"],["7405.43","2.562"]],"a":[// Asks to be updated["7405.96",// Price level to be"3.340"// Quantity],["7406.63","4.525"],["7407.08","2.475"],["7407.15","4.800"],["7407.20","0.175"]]}