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