request interface

/V1/Market/depth

{
  "status": 200,
  "source": "API",
  "msg": "OK",
  "data": {
    "depth": {
      "b": [  //buy
        ["51252.00", "0.000200"],
        ["51251.93", "0.050000"],
        ...
      ],
      "a": [ //sell
        ["51275.05", "3.608140"],
        ["51275.08", "0.000000"],
        ...
      ]
    },
    "symbol_id": 22,
    "status": 200
  },
  "seconds": 1638873814,
  "microtime": 1638873814679
}