tx 0x8211f81f53f5ea6b8f7c4d0f8875d52b7d8dfb04d8927f65bf0395ca3bb2063dCopy

payload

{
  "ModifyOrder": {
    "new_size": 4900013,
    "order_id": 1793696,
    "new_price": null
  }
}