tx 0x8b3da49778f46a8a8168da13a8aded12b6e812d2bdbecfc7c1af2ca1a2adcb2dCopy

payload

{
  "ModifyOrder": {
    "new_size": 549886716,
    "order_id": 21291438,
    "new_price": null
  }
}