{
  "req": "post",
  "op": {
    "type": "createOrders",
    "args": [
      {
        "iid": 1,
        "buy": true,
        "p": "100.00",
        "qty": "10.00",
        "tif": "gtc",
        "po": false,
        "ro": false,
        "c": "550e8400e29b41d4a716446655440000",
        "tr": {
          "trp": "110.00",
          "tpsl": "tp"
        }
      }
    ],
    "grp": "order"
  },
  "sig": "0x1234567890...",
  "salt": 1234567890,
  "ts": 1767225600000,
  "exp": 1767225600000
}

{
  "id": 1,
  "data": [
    {
      "status": "ok",
      "oid": 1234567890
    }
  ]
}