tx 0x3d9bf6b260d96a29a95f3a0be7c47e7ffc0dac4fb166d13aac4ecdc3f9bbe5b5Copy

payload

{
  "ModifyOrder": {
    "new_size": 457714759,
    "order_id": 431153659,
    "new_price": null
  }
}