public void Start()
{
mBackend = new IdleFantasyBackend();
BackendManager.Init(mBackend);
MyMessenger.AddListener <IAuthenticationSuccess>(BackendMessages.AUTH_SUCCESS, OnAuthenticationSucess);
MyMessenger.AddListener(BackendMessages.CLOUD_SETUP_SUCCESS, OnCloudSetupSuccess);
MyMessenger.AddListener <IBackendFailure>(BackendMessages.BACKEND_REQUEST_FAIL, OnBackendFailure);
mBackend.Authenticate(ID);
}