tx 0x7557abbc1fcfb57765bcec8d0c1c99663a8d4e8b6b25fb4b3d247fa8d4ebb2f7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6480546776,
    "order_id": 388157274,
    "new_price": 6406000000
  }
}