tx 0x634690c97212dfbd688d3c7919fc4fb1a7e6ac5e7882e2a39956fb11875cb2d0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3924042508,
    "order_id": 388375041,
    "new_price": 6339000000
  }
}