{
  "errors": [
    {
      "code": "domain.is_subdomain",
      "summary": "Subdomain",
      "message": "`www.mastercard.com` is a subdomain. Please preload `mastercard.com` instead. (Due to the size of the preload list and the behaviour of cookies across subdomains, we only accept automated preload list submissions of whole registered domains.)"
    },
    {
      "code": "redirects.http.no_redirect",
      "summary": "No redirect from HTTP",
      "message": "`http://www.mastercard.com` does not redirect to `https://www.mastercard.com`."
    }
  ],
  "warnings": []
}