{
    "keywords": {
        "$seen": true,
        "$draft": true
    },
    "from": [
        {
            "name": "Joe Bloggs",
            "email": "joe@example.com"
        }
    ],
    "subject": "RFC 8621 Section 4.1.4 test",
    "receivedAt": "2018-07-10T01:03:11Z",
    "sentAt": "2018-07-10T11:03:11+10:00",
    "messageId": [
        "my-message-id"
    ],
    "bodyStructure": {
        "subParts": [
            {
                "blobId": "Part A",
                "disposition": "inline",
                "type": "text/plain"
            },
            {
                "subParts": [
                    {
                        "subParts": [
                            {
                                "subParts": [
                                    {
                                        "blobId": "Part B",
                                        "disposition": "inline",
                                        "type": "text/plain"
                                    },
                                    {
                                        "blobId": "Part C",
                                        "disposition": "inline",
                                        "type": "image/jpeg"
                                    },
                                    {
                                        "blobId": "Part D",
                                        "disposition": "inline",
                                        "type": "text/plain"
                                    }
                                ],
                                "type": "multipart/mixed"
                            },
                            {
                                "subParts": [
                                    {
                                        "blobId": "Part E",
                                        "type": "text/html"
                                    },
                                    {
                                        "blobId": "Part F",
                                        "type": "image/jpeg"
                                    }
                                ],
                                "type": "multipart/related"
                            }
                        ],
                        "type": "multipart/alternative"
                    },
                    {
                        "blobId": "Part G",
                        "disposition": "attachment",
                        "type": "image/jpeg"
                    },
                    {
                        "blobId": "Part H",
                        "type": "application/x-excel"
                    },
                    {
                        "blobId": "Part J",
                        "type": "x-message/rfc822"
                    }
                ],
                "type": "multipart/mixed"
            },
            {
                "blobId": "Part K",
                "disposition": "inline",
                "type": "text/plain"
            }
        ],
        "type": "multipart/mixed"
    }
}