tx 0x7bb8c2bfbe9ab0a9e17caacda6d7f7e9b2e39aceb23bba260ea6e3b97a55988bCopy

payload

{
  "ModifyOrder": {
    "new_size": 1518082380,
    "order_id": 459088202,
    "new_price": null
  }
}