tx 0x493af9eac4a1df6fe0b4e884b1dfecbcf6f2b2a8fcdc3d8931814ae9a4b94b4aCopy

payload

{
  "ModifyOrder": {
    "new_size": 42343549,
    "order_id": 472645062,
    "new_price": null
  }
}