tx 0xfd9eb3cff3c50a7d97685d62a3d2e6e7fd57f8a632d0c49024bdd7d4f92b4feeCopy

payload

{
  "ModifyOrder": {
    "new_size": 6149586,
    "order_id": 8550817,
    "new_price": null
  }
}