[HttpPost("addclaim")] // POST: api/admin/addclaim
 public async Task <JToken> AddClaimAsync(JToken jAuthenticatedUserAndClaimToAdd) => (ModelState.IsValid ? await _adminManager.AddClaimAsync(jAuthenticatedUserAndClaimToAdd["AuthenticatedUser"]?.To <AuthenticateUserVM>(), jAuthenticatedUserAndClaimToAdd["ClaimToAdd"]?.To <AdminEditClaimVM>()) : _defaultInvalidResponse).ToJToken();