tx 0xb9ab9adb1a9b0a2aa84a949013d5cbcb7b2bcf2c8dcb9a853cc20d54f74bbd7dCopy

payload

{
  "ModifyOrder": {
    "new_size": 55745671,
    "order_id": 8407917,
    "new_price": null
  }
}