tx 0xc7b51b3c27b45e4ecfc3b4cbf16fcd6c7fe1cec25f0f40bfde3ed7a1a82d6addCopy

payload

{
  "ModifyOrder": {
    "new_size": 154714069,
    "order_id": 409555841,
    "new_price": null
  }
}