private HttpWebRequest GetRdfeHttpRequest(string managementCertThumbprint, string reqUrl, string method)
{
HttpWebRequest httpReq = (HttpWebRequest)HttpWebRequest.Create(reqUrl);
httpReq.Method = method;
httpReq.ContentType = "application/json";
httpReq.Headers.Add("x-ms-version", "2014-10-01");
X509Certificate2 mgmtCert = GetStoreCertificate(managementCertThumbprint);
httpReq.ClientCertificates.Add(mgmtCert);
return httpReq;
}