I have received a shared calendar invitation in the form of a sharing_metadata.xml attachment, similar to what follows.I already have the users primary calendar and subfolders shared, however this particular calendar is not included.How do I add this particular calendar to mine?
<SharingMessage xmlns="http://schemas.microsoft.com/sharing/2008">
<DataType>calendar</DataType>
<Initiator>
<Name>John Doe</Name>
<SmtpAddress>jdoe example com</SmtpAddress>
<EntryId>
00000000DCA740C8C042101AB4B908002B2FE18201000000000000002F6E42352356F753D45786368616E67652041646D696E6973747261746976652047726F7570202846594449424F484632335350444C54292F636E3D526563697069656E74732F636E3D4A61736F6E2058756532313200
</EntryId>
</Initiator>
<Invitation>
<Title>Special Project Shared Calendar</Title>
<Providers>
<Provider Type="ms-exchange-internal" TargetRecipients="me example com;somebody_else example com">
<FolderId xmlns="http://schemas.microsoft.com/exchange/sharing/2008">
000000005D1F4D97711A78428095B29F7A07ADAB01230498A8642D4E9B169BBEB79673180000001382090000
</FolderId>
<MailboxId xmlns="http://schemas.microsoft.com/exchange/sharing/2008">
0000000038A1BB1005E5101AA1BB08023849022E444C4C00000000000000001B55FA20AA6611CD9BC800AA002FC45A0C0000006F75746C6F6F6B2E75732E73646C2E636F6D002F6F3D53444C2F6F753D45786368616E67652041646D696E6973747261746976652047726F7570202846594449424F484632335350444C54292F636E3D526563697069656E74732F636E3D4A61736F6E2058756532313200
</MailboxId>
</Provider>
</Providers>
</Invitation>
</SharingMessage>