Level2 - 5 best ask/bid orders

{
  "type": "message",
  "topic": "/contractMarket/level2Depth5:XBTUSDM",
  "subject": "level2",
  "data": {
    "asks": [
      ["9993", "3"],
      ["9992", "3"],
      ["9991", "47"],
      ["9990", "32"],
      ["9989", "8"]
    ],
    "bids": [
      ["9988", "56"],
      ["9987", "15"],
      ["9986", "100"],
      ["9985", "10"],
      ["9984", "10"]
    ],
    "ts": 1590634672060667000
  }
}

Topic: /contractMarket/level2Depth5:{symbol}

• Push frequency: once every 100ms