type: object
properties:
  date:
    $ref: '../properties/iso_8601_date.yaml'
  apple_followers:
    $ref: '../properties/number_followers.yaml'
  facebook_likes:
    $ref: '../properties/number_likes.yaml'
  facebook_storytellers:
    $ref: '../properties/number_followers.yaml'
  instagram_followers:
    $ref: '../properties/number_followers.yaml'
  spotify_followers:
    $ref: '../properties/number_followers.yaml'
  spotify_popularity:
    $ref: '../properties/spotify_popularity.yaml'
  twitter_followers:
    $ref: '../properties/number_followers.yaml'
  youtube_channel_subscribers:
    $ref: '../properties/number_followers.yaml'
  youtube_channel_views:
    $ref: '../properties/number_views.yaml'