tx 0xf9d97fc2cf6d34e4605c6f14d2f9bd81ae2d912f4c2bde58c0a7d40a84d2b40aCopy

payload

{
  "ModifyOrder": {
    "new_size": 1131813734,
    "order_id": 438456246,
    "new_price": null
  }
}