public void InitDeviceId(string deviceId = null)
        {
            //**Priority is**
            //Cached DeviceID (remains even after after app kill)
            //Static DeviceID (only when the app is running either backgroun/foreground)
            //User provided DeviceID
            //Generate Random DeviceID
            var storedDeviceId = PlayerPrefs.GetString("DeviceID");

            DeviceId = !_countlyUtils.IsNullEmptyOrWhitespace(storedDeviceId)
                ? storedDeviceId
                : !_countlyUtils.IsNullEmptyOrWhitespace(DeviceId)
                    ? DeviceId
                    : !_countlyUtils.IsNullEmptyOrWhitespace(deviceId)
                        ? deviceId : _countlyUtils.GetUniqueDeviceId();

            //Set DeviceID in Cache if it doesn't already exists in Cache
            if (_countlyUtils.IsNullEmptyOrWhitespace(storedDeviceId))
            {
                PlayerPrefs.SetString(Constants.DeviceIDKey, DeviceId);
            }
        }