tx 0x51e1f4c9b5dd49398829def65b39dec04cfbf58a02c60c7dcf5bdb47ac588106Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 203421900,
    "order_id": 14793254,
    "new_price": 29705000000
  }
}