{
    "_attachments": {
        "foo.txt": {
            "content_type": "text/plain",
            "digest": "md5-yalFnkJm6jWmErkNw2UxEg==",
            "length": 12,
            "revpos": 1,
            "stub": true
        }
    },
    "_id": "withattach",
    "_rev": "1-xxxxxxxxxx",
    "foo": "bar"
}