RETURN:
{"success":true,"user_email":"ssdnet@gmail.com","user_name":"G\u00fcnter Kr\u00e4mer","blogging_for_business":false,"need_redirect":""}

COOKIES:
XSRF-TOKEN=1txBbgPKmN6SjmZsQ95aHddnaJgGdlo0LWbmGEMD; Path=/; Domain=ahrefs.com; Secure; Max-Age=5184000; Expires=Fri, 19-Jul-2019 11:32:22 GMT
BSSESSID=4U8wlQjmpSlqCaL8HLXYQicgZZXZbLSjOzlURj2X; Path=/; Domain=ahrefs.com; Secure; HttpOnly; Max-Age=5184000; Expires=Fri, 19-Jul-2019 11:32:22 GMT

RESULT HEADER:
Server: nginx
Date: Mon, 20 May 2019 11:32:21 GMT
Content-Type: application/json
Content-Length: 129
Connection: close
Cache-Control: private, must-revalidate
pragma: no-cache
expires: -1
Set-Cookie: XSRF-TOKEN=1txBbgPKmN6SjmZsQ95aHddnaJgGdlo0LWbmGEMD; expires=Fri, 19-Jul-2019 11:32:21 GMT; Max-Age=5184000; path=/; domain=.ahrefs.com; secure
Set-Cookie: BSSESSID=4U8wlQjmpSlqCaL8HLXYQicgZZXZbLSjOzlURj2X; expires=Fri, 19-Jul-2019 11:32:21 GMT; Max-Age=5184000; path=/; domain=.ahrefs.com; secure; HttpOnly
Vary: Accept-Encoding
Content-Encoding: gzip
Strict-Transport-Security: max-age=31536000