private void Awake()
        {
            if (_instance == null)
            {
                _instance = this;
            }
            else
            {
                Destroy(this);
            }

            _currProductData = ZeeAR.Visualization.AppManager.Instance.GetProductSelected();//AppManager.Instance.GetExpoSelected();

            LoadSceneTrackers();
        }
        private void Awake()
        {
            if (_instance == null)
            {
                _instance = this;
            }
            else
            {
                Destroy(this);
            }

            currExpoData = AppManager.Instance.GetExpoSelected();

            LoadSceneTrackers();
        }