public void AddRoleToUser()
        {
            var identity = new CloudIdentity { Username = "******", APIKey = "{apiKey}" };
            var provider = new CloudIdentityProvider(identity);

            #region AddRoleToUser
            User user = provider.GetUserByName("{username}", null);
            provider.AddRoleToUser(user.Id, "{roleId}", null);
            #endregion
        }