tx 0x021e89be5d38b5efe4d0fd5fd55a8fded6a34315b4bc9d0c13c85b1f9973a62eCopy

payload

{
  "ModifyOrder": {
    "new_size": 3955938,
    "order_id": 9129965,
    "new_price": null
  }
}