tx 0x4671633fa8d7e95ca4e3165c78582ce6b6ba8864ff316df5b82bf39cb6977fbaCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3864929241,
    "order_id": 388375041,
    "new_price": 6445000000
  }
}