{
  "warnings":{
    "main":{
      "*":"Unrecognized parameter: 'useformat'"
    }
  },
  "edit":{
    "captcha":{
      "type":"image",
      "mime":"image/png",
      "id":"1852528679",
      "url":"/w/index.php?title=Especial:Captcha/image&wpCaptchaId=1852528679"
    },
    "result":"Failure"
  }
}