[HttpPost("deleteuser")] // POST: api/admin/deleteuser
public async Task <JToken> DeleteUserAsync(JToken jAuthenticatedUserAndUserToDelete) => (ModelState.IsValid ? await _adminManager.DeleteUserAsync(jAuthenticatedUserAndUserToDelete["AuthenticatedUser"]?.To <AuthenticateUserVM>(), jAuthenticatedUserAndUserToDelete["UserToDelete"]?.To <AdminEditUserVM>()) : _defaultInvalidResponse).ToJToken();
