tx 0xf6dd5623979c90322cd67c7aceb2a5a6cb9a9ef1bbcd7997b4fac23822a6cb3fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6469333015,
    "order_id": 388157274,
    "new_price": 6427000000
  }
}