my $method = 'POST';
  my $url = "https://etc"; # note: actual url not shown here
  my $query_string = "";   # note: actual query string not shown here

  my $ua = new LWP::UserAgent;
  $ua->timeout(10);
  $ua->agent('Mozilla/4.6');
  $ua->cookie_jar(HTTP::Cookies->new);
  $request = new HTTP::Request($method,$url);
  $request->content_type('application/x-www-form-urlencoded');
  $request->content($query_string);

  $response_content =  $ua->request($request)->content;
  LWP::Debug::debug("Response:\n$response_content\n");