tx 0x52b4e3329011c68341ac4c30b8cab640da42436ad69ee05ae9679aaf4db0001fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6403210092,
    "order_id": 388157274,
    "new_price": 6515000000
  }
}