tx 0x1320f521613f9adad81cb6bd0e0c8441a7ea5e5f2b71ba4b805f88de1e4af3baCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6520520943,
    "order_id": 388157274,
    "new_price": 6406000000
  }
}