tx 0xbf71b0a09ee7a808d24d08f7297dcc862e4ce6f4367ce02586d5242a5a70c717Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3888934669,
    "order_id": 388375041,
    "new_price": 6410000000
  }
}