188.8.131.52 Per Messaging Object
Messaging objects are represented by the MessagingObject ADM type. The following ADM elements are maintained by the client for each MessagingObject ADM type:
MessagingObject.ParentFolderId: An identifier for a Mailbox.MessagingObject ADM type that is a Folder object containing another Folder object, as specified in section 184.108.40.206.4.
MessagingObject.ChangeNumber: An identifier for a version of a Mailbox.MessagingObject ADM type, as specified in section 220.127.116.11.3.