tx 0x2d74b8b4c6b8d8e8fa4b0b7d59d6d8c1c23031a5afce9ebaf155f6c7e764a3deCopy

payload

{
  "ModifyOrder": {
    "new_size": 798533254,
    "order_id": 34277991,
    "new_price": null
  }
}