tx 0x96eddd5da1f1ea4251babfa6f67b199a42e3471539f59512637c2bf3453043ccCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6438691200,
    "order_id": 388157274,
    "new_price": 6484000000
  }
}