tx 0x7bee1b0fb6bd6f9976f13bbd8cd43f0a1ae3df7dcacccc950e2c6b1be7b68a4bCopy

payload

{
  "ModifyOrder": {
    "new_size": 251629956,
    "order_id": 51563863,
    "new_price": null
  }
}