tx 0xa150cbd4d1bb1ead0f5f9c4bd14ea972ec0f0c9b31d2f0149f0c8f7f9ad4ea6eCopy

payload

{
  "ModifyOrder": {
    "new_size": 9584957,
    "order_id": 375484248,
    "new_price": null
  }
}