anchor.diff:    startIdentityVerification(
       input: startIdentityVerificationMutationInput!
     ): startIdentityVerificationMutationPayload
  +  unpublishViewingRoom(
  +    input: UnpublishViewingRoomInput!
  +  ): UnpublishViewingRoomPayload
     updateAppSecondFactor(
       input: UpdateAppSecondFactorInput!
     ): UpdateAppSecondFactorPayload
  
positive.code: 
  union UnderlyingCurrentEvent = Sale | Show
  
  # Autogenerated input type of UpdateAppSecondFactor
  input UpdateAppSecondFactorInput {
    attributes: AppSecondFactorAttributes!
  
negative.code:   # Follow (or unfollow) a show
    followShow(input: FollowShowInput!): FollowShowPayload
    holdInventory(input: HoldInventoryInput!): HoldInventoryPayload
    publishViewingRoom(input: PublishViewingRoomInput!): PublishViewingRoomPayload
    recordArtworkView(input: RecordArtworkViewInput!): RecordArtworkViewPayload
    requestConditionReport(
      input: RequestConditionReportInput!
  