The leanback service that youtube offers for third party devices doesn’t support subscriptions.
http://community.wdc.com/t5/WD-TV-Live-Streaming-Ideas/YOUTUBE-subscriptions/idi-p/280320
The leanback service that youtube offers for third party devices doesn’t support subscriptions.
http://community.wdc.com/t5/WD-TV-Live-Streaming-Ideas/YOUTUBE-subscriptions/idi-p/280320