public void RemoveWorkspace(string managementCertThumbprint, string azureSubscriptionId, string workspaceId, string region)
{
string reqUrl = string.Format(_azMgmtApiBaseUrl + "{1}?Region={2}", azureSubscriptionId, workspaceId, HttpUtility.HtmlEncode(region));
HttpWebRequest httpReq = GetRdfeHttpRequest(managementCertThumbprint, reqUrl, "DELETE");
WebResponse resp = httpReq.GetResponse();
long len = resp.ContentLength;
byte[] buffer = new byte[len];
resp.GetResponseStream().Read(buffer, 0, (int)len);
string result = UnicodeEncoding.ASCII.GetString(buffer);
}