tx 0x6779ab1d406496a4240222ab54cd8f3026f1482d8a03fc36f4cb691e98ce4e91Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6525548493,
    "order_id": 388157274,
    "new_price": 6343000000
  }
}