{
  "html_body": [
    2
  ],
  "text_body": [
    2
  ],
  "attachments": [
    3
  ],
  "parts": [
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "multipart",
              "c_subtype": "mixed",
              "attributes": [
                [
                  "boundary",
                  "ab"
                ]
              ]
            }
          },
          "offset_field": 0,
          "offset_start": 13,
          "offset_end": 46
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Multipart": [
          1
        ]
      },
      "offset_header": 0,
      "offset_body": 48,
      "offset_end": 180
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "multipart",
              "c_subtype": "mixed",
              "attributes": [
                [
                  "boundary",
                  "a"
                ]
              ]
            }
          },
          "offset_field": 54,
          "offset_start": 67,
          "offset_end": 99
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Multipart": [
          2,
          3
        ]
      },
      "offset_header": 54,
      "offset_body": 101,
      "offset_end": 180
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          },
          "offset_field": 106,
          "offset_start": 119,
          "offset_end": 132
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Text": "body"
      },
      "offset_header": 106,
      "offset_body": 134,
      "offset_end": 138
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "html",
              "attributes": null
            }
          },
          "offset_field": 146,
          "offset_start": 159,
          "offset_end": 171
        }
      ],
      "is_encoding_problem": true,
      "body": {
        "Text": "body2\r\n"
      },
      "offset_header": 143,
      "offset_body": 173,
      "offset_end": 180
    }
  ]
}