my $requestHeader = HTTP::Headers->new();
   $requestHeader->header('Connection' => 'Keep-Alive');
   $requestHeader->header('Content-Type' => 'text/xml; charset=utf-8');
   $requestHeader->header('Content-Length' => length($requestContent));
   my $request = HTTP::Request->new('POST', $url, $requestHeader, $requestContent);
   $request->protocol('HTTP/1.1');
   print $request->headers()->as_string();
   my $browser = LWP::UserAgent->new();
   my $response = $browser->request($request);