Streaming a Spotify podcast to my Google Mini doesn't seem to be working

Configuration
1

Here’s my automation. I hear the mini connecting, but that’s all…
Ofcourse it won’t trigger during sunset, but it’s just my fiddle automation.

alias: Test
description: ''
trigger:
  - platform: sun
    event: sunset
    offset: '0'
condition: []
action:
  - service: media_player.turn_on
    target:
      area_id: bureau
      device_id: xxx
      entity_id: media_player.bureau_mini
  - service: media_player.play_media
    target:
      area_id: bureau
      device_id: xxx
      entity_id: media_player.bureau_mini
    data:
      media_content_id: spotify:episode:6OAdDhC50mVDnlexUeriqg
      media_content_type: cast
      app_id: xxx
      app_name: Spotify
  - service: media_player.shuffle_set
    data:
      shuffle: true
    target:
      area_id: bureau
      device_id: xxx
      entity_id: media_player.bureau_mini
  - service: media_player.media_play
    target:
      area_id: bureau
      device_id: xxx
      entity_id: media_player.bureau_mini
mode: single