tx 0x1f16e4c920043bdcd614b3c882bec66ef7499c1c2870357c1a3f8c4aa171e350Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 1597351955,
    "order_id": 388375041,
    "new_price": 6400000000
  }
}