tx 0x830054c659e56ad10f3b353c24c980f093c4075cf0b0a95eda66ec4708a9e8e8Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6510254457,
    "order_id": 388157274,
    "new_price": 6353000000
  }
}