public string GetCloudMeta()
        {
            Array.Clear(cloudMetaBytes, 0, cloudMetaBytes.Length);
            int[] cloudMetaLength = new int[1];
            NativeAPI.Trackable_getCloudMeta(cPtr, cloudMetaBytes, cloudMetaLength);

            return(Encoding.UTF8.GetString(cloudMetaBytes, 0, cloudMetaLength[0]).TrimEnd('\0'));
        }