tx 0x1b4172c4dac3b1dacb3e86818a38ce28e28f6ba6db1a6fab4e14a1c78eacfc4bCopy

payload

{
  "ModifyOrder": {
    "new_size": 11037473,
    "order_id": 428512669,
    "new_price": null
  }
}