tx 0x4aabb4004e0d9ab48ee979fb1ce5c1c508b9ddfbcac0f6f0ff5c7d0245e90c9aCopy

payload

{
  "ModifyOrder": {
    "new_size": 45204748,
    "order_id": 65815048,
    "new_price": null
  }
}