{
  "e": "depthUpdate",
  "E": 1699999999000,
  "s": "MONUSDC",
  "U": 1234567,
  "u": 1234568,
  "b": [
    [
      "100.50",
      "10.5"
    ],
    [
      "100.49",
      "5.0"
    ]
  ],
  "a": [
    [
      "100.51",
      "8.2"
    ],
    [
      "100.52",
      "12.0"
    ]
  ]
}