Send URL to chromecast at specific time

I want a dashboard that I locally host to pop up on my chromecast every morning at 5:35am. I built the following alias, but I am pretty sure the media_content_id isn’t working. Does anyone have a working template of sending a page to a chromecast working?

- alias: 'Morning.php'
  trigger:
    platform: time
    hours: 5
    minutes: 35
    seconds: 0
  action:
    service: media_player.play_media
    entity_id: media_player.kitchen
    data:
      media_content_id: http://URL/morning.php
      media_content_type: CHANNEL
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