current_response.json

{
"errors": {
        "name": [
            "is already taken"
        ]
    }
}

desired_response.json

{
  "errors":[
    {
      "code":"non-unique",
      "field":"name",
      "data":{
        "duplicate_id":"27a0bad684f84398b823d42717a6d4ec"
      }
    }
  ]
}

desired_response2.json

{
  "errors":{
    "name":{
      "code":"non-unique",
      "data":{
        "duplicate_id":"27a0bad684f84398b823d42717a6d4ec"
      }
    }
  }
}