anchor.diff:  
     # This user should receive sale opening/closing notifications
     receiveSaleOpeningClosingNotification: Boolean
  +
  +  # The sale profile of the user.
  +  saleProfile: UserSaleProfile
   
     # Check whether a user exists by email address before creating an account.
     userAlreadyExists: Boolean
  
positive.code:   updateUserDefaultAddress(
      input: UpdateUserDefaultAddressInput!
    ): UpdateUserDefaultAddressPayload
    updateViewingRoom(input: UpdateViewingRoomInput!): UpdateViewingRoomPayload
    updateViewingRoomArtworks(
      input: UpdateViewingRoomArtworksInput!
  
negative.code: enum UserInterestInterestType {
    ARTIST
    GENE
  }
  
  type UserSaleProfile {
    # The first line of address for this user.
    addressLine1: String
  
    # The second line of address for this user.
    addressLine2: String
  
    # The city for this user.
    city: String
  
    # The country for this user.
    country: String
  
    # A globally unique ID.
    id: ID!
  
    # A type-specific ID likely used as a database ID.
    internalID: ID!
  
    # The state for this user.
    state: String
  
    # The zip for this user.
    zip: String
  }
  
  union VanityURLEntityType = Fair | Partner
  