tx 0x91c929c137507998f5510f2ab4b8d7f29e7f5260f0950e78ece2e1f8483681deCopy

payload

{
  "ModifyOrder": {
    "new_size": 7640587,
    "order_id": 402950707,
    "new_price": 6413000000
  }
}