FeedType values: 0 = StatusChange, 1 = Created, 2 = Completed, 3 = Reopened, 4 = HighPriority, 5 = NormalPriority, 10 = PropertyChange, 20 = Comment, 30 = DocumentUpload, 31 = DocumentReversion, 40 = SignatureCreated, 41 = SignatureCompleted, 42 = SignatureDeclined, 43 = SignatureSigned, 44 = SignatureSent, 50 = RestrictedRequest, 51 = UnRestrictedRequest, 100 = Deleted, 101 = DeletedComment.