tx 0x81fec4dfd34051a1a9d7da1e8d6d8d57c72fda6c9cdea609a19e0858dbcfb87aCopy

payload

{
  "ModifyOrder": {
    "new_size": 516259,
    "order_id": 37431472,
    "new_price": null
  }
}