tx 0x4b038cc53e5a350a8f5680c6a3a75d6cc1ef83236510d4dc8a78e3e7f414ea21Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6390938343,
    "order_id": 388157274,
    "new_price": 6529000000
  }
}