curl --request GET \
  --url https://testnet.derivadex.io/exchange/api/v1/order_book

{
  "value": [
    {
      "bookOrdinal": 123,
      "orderHash": "<string>",
      "symbol": "<string>",
      "side": 123,
      "originalAmount": "<string>",
      "amount": "<string>",
      "price": "<string>",
      "traderAddress": "<string>",
      "strategyIdHash": "<string>"
    }
  ],
  "success": true,
  "timestamp": 123
}