tx 0x8dad45340432c81e1a5bb8524ea6207f92b91ba3601367fdfccd4f9e5ee4cee7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2419891343,
    "order_id": 339459467,
    "new_price": 6390000000
  }
}