tx 0x9d4e436e4ac947f7aec9ebf8ca1c1c3e4fd2f5dd3a1fad4e6db0095ec6d447daCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 59947721,
    "new_price": 499000000
  }
}