curl --request POST \
  --url https://api.fairground.fi/order_service.v1.OrderService/GetOrder \
  --header 'Authorization: Bearer <token>' \
  --header 'Connect-Protocol-Version: <connect-protocol-version>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "orderId": 123,
  "market": {
    "marketId": 123
  },
  "reduceOnly": true
}
'

{
  "order": {
    "owner": "<string>",
    "orderId": 123,
    "timestamp": "2023-11-07T05:31:56Z",
    "marketId": 123,
    "market": "<string>",
    "type": "ORDER_TYPE_MARKET",
    "side": "SIDE_LONG",
    "thresholdPrice": 123,
    "size": 123,
    "leverage": 123,
    "status": "ORDER_STATUS_PENDING",
    "filledSize": 123,
    "unfilledSize": 123,
    "reduceOnly": true,
    "canceled": true,
    "initialMargin": 123,
    "tickDecimals": 123,
    "fees": 123,
    "rebates": 123
  }
}