tx 0xf240473b228cf6386d772c89b9d2c031cd9a5b8131c7c9d5c2bcf9e0b73efd6aCopy

payload

{
  "ModifyOrder": {
    "new_size": 3527747,
    "order_id": 5421857,
    "new_price": null
  }
}