Order Rejections

{
  "method": "subscribe",
  "subscription": {
    "type": "userOrderRejections",
    "user": "0x1111111111111111111111111111111111111111"
  }
}

{
  "channel": "userOrderRejections",
  "data": {
    "user": "0x1111111111111111111111111111111111111111",
    "rejections": [
      {
        "orderId": "0x1234...",
        "coin": "BTC",
        "marketAssetId": "00020000",
        "reason": "Insufficient margin",
        "code": "INSUFFICIENT_MARGIN",
        "timestamp": 1701234567890
      }
    ]
  }
}