tx 0xfa7b9f7bdc4db5e17f88edb245e5b1499af8faa3a50e4b58ec775f37c0a83b2dCopy

payload

{
  "ModifyOrder": {
    "new_size": 19147945,
    "order_id": 55533510,
    "new_price": null
  }
}