Is It possible to play a youtube video using webostv?

Hi all!

I am trying to play a youtube video on my LG SmartTV using webostv without success.
The code I am using is the following:

tv_play_video:
  alias: "Play youtube video on TV"
  sequence:
    - service: media_extractor.play_media
      data:
        entity_id: media_player.tv_livingroom
        media_content_type: video
        media_content_id: https://www.youtube.com/watch?v=7Y7QaIQET0E&t=37s

Am I doing anything wrong? Is it possible?

Thanks