tx 0x2cd4fb4616621aeb7b302a369f2a1b00e2373c5a8cb6972d7957e93f9bc89979Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6512384029,
    "order_id": 388157274,
    "new_price": 6416000000
  }
}