tx 0x87ab5d9d4ebdc3e2740acf30d9c4ea2a044f1ec9152d14b82d43f3319f5994d5Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3931423729,
    "order_id": 388375041,
    "new_price": 6322000000
  }
}