tx 0x6a83864b5fe2ad5c27b641d0e1d7f3fe69c68f0a65c36561f4b4f9be162b6c02Copy

payload

{
  "ModifyOrder": {
    "new_size": 4120806,
    "order_id": 20553122,
    "new_price": null
  }
}