anchor.diff:  
     # Show
     SHOW
  -}
  -
  -# An artwork, artist, or show
  +
  +  # ViewingRoom
  +  VIEWING_ROOM
  +}
  +
  +# An artwork, artist, show, or viewing room
   union AnalyticsRankedStatsUnion =
       AnalyticsArtist
     | AnalyticsArtwork
     | AnalyticsShow
  +  | AnalyticsViewingRoom
   
   type AnalyticsShow {
     entityId: String!
  
positive.code:   SIXTEEN_WEEKS
  }
  
  union AnalyticsRankedEntityUnion = Artist | Artwork | Show
  
  # Top artworks, shows, or artists from a partner
  type AnalyticsRankedStats {
    entity: AnalyticsRankedEntityUnion
    period: AnalyticsQueryPeriodEnum!
  
negative.code: type AnalyticsUserStats {
    totalPurchaseCount: Int!
    userId: String!
  }
  
  type AnalyticsViewingRoom {
    entityId: String!
  }
  
  type AnalyticsVisitorsByCountry {
  