tx 0x47f8f0f1cb98c3b8d73bced7f72db740f7c2d4620daf9b6aeb1bc3c2cbcdfc1aCopy

payload

{
  "ModifyOrder": {
    "new_size": 436743658,
    "order_id": 312178675,
    "new_price": null
  }
}