example-backup/
|-- manifest.json
`-- objects/
    |-- 0a/
    |   `-- 0a00000000000000000000000000000000000000000000000000000000000000
    `-- f0/
        `-- f00000000000000000000000000000000000000000000000000000000000000

The hexadecimal names above are synthetic content identifiers, not mailbox item IDs.
