tx 0x8db5b8abcd40476a216372f0c2c8e95f0d1f4a1d5c590aa40f1b8fea45d5f35dCopy

payload

{
  "ModifyOrder": {
    "new_size": 212223213128,
    "order_id": 428506613,
    "new_price": 512000000
  }
}