tx 0x5d5ef05e00e40e19c8b66dd4de6822a68d737f797b4e7d1e0f8f8e935e8ac52cCopy

payload

{
  "ModifyOrder": {
    "new_size": 865550,
    "order_id": 12719747,
    "new_price": null
  }
}