tx 0xfe5887c249a2dfe902def3e1757ddfab9fe2857a2ae6d131da55960a4f68cb48Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3908559429,
    "order_id": 388375041,
    "new_price": 6359000000
  }
}