tx 0x1d69c5e3aa93a0e1eec5c52ba8b2e0b6c1cbc505c9b6d0ecd0e6146e7d4448deCopy

payload

{
  "ModifyOrder": {
    "new_size": 5603379,
    "order_id": 63322040,
    "new_price": null
  }
}