tx 0xc9c60dd8d70c4dc67f14f560f9194d84f25276f7d6d58eae396ec1745e7f9060Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3868309910,
    "order_id": 388375041,
    "new_price": 6415000000
  }
}