tx 0x80bf8ce7b318b79f0f0a4d5381ab3a1f70a515eca45bfde2cac1f8db23ff8c5eCopy

payload

{
  "ModifyOrder": {
    "new_size": 45445875,
    "order_id": 12345010,
    "new_price": null
  }
}