{
  "sequence": 0,
  "ordinal": 0,
  "feed": "ORDER_BOOK_L2",
  "subscriptionKey": "ORDER_BOOK_L2|symbol=ETHP|aggr=0.1",
  "contents": {
    "messageType": "PARTIAL",
    "data": [
      {
        "symbol": "ETHP",
        "side": 0,
        "amount": "50.25",
        "price": "2000.0"
      },
      {
        "symbol": "ETHP",
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    ]
  }
}