tx 0x5fa0bf69d15f2a1ca0c4547398f8b35f8bcd8bdf6c87ff01cf6a7e3fa8b5efbaCopy

payload

{
  "ModifyOrder": {
    "new_size": 3465774193,
    "order_id": 4147521,
    "new_price": null
  }
}