tx 0xe43b3bde7939f5ac8db9f1c346b7a193eb1396a7fc4af6afe9041be402c8a9a3Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3864929241,
    "order_id": 388375041,
    "new_price": 6447000000
  }
}