{
  "html_body": [
    2
  ],
  "text_body": [
    2
  ],
  "attachments": [
    3
  ],
  "parts": [
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "multipart",
              "c_subtype": "mixed",
              "attributes": [
                [
                  "boundary",
                  "1"
                ]
              ]
            }
          },
          "offset_field": 0,
          "offset_start": 13,
          "offset_end": 44
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Multipart": [
          1
        ]
      },
      "offset_header": 0,
      "offset_body": 45,
      "offset_end": 193
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "multipart",
              "c_subtype": "mixed",
              "attributes": [
                [
                  "boundary",
                  "2"
                ]
              ]
            }
          },
          "offset_field": 49,
          "offset_start": 62,
          "offset_end": 93
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Multipart": [
          2,
          3
        ]
      },
      "offset_header": 49,
      "offset_body": 94,
      "offset_end": 193
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          },
          "offset_field": 98,
          "offset_start": 111,
          "offset_end": 123
        }
      ],
      "is_encoding_problem": false,
      "body": {
        "Text": "1"
      },
      "offset_header": 98,
      "offset_body": 124,
      "offset_end": 125
    },
    {
      "headers": [
        {
          "name": "content_type",
          "value": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          },
          "offset_field": 130,
          "offset_start": 143,
          "offset_end": 155
        }
      ],
      "is_encoding_problem": true,
      "body": {
        "Text": "22\n--1\nContent-Type: text/plain\n\n333\n"
      },
      "offset_header": 130,
      "offset_body": 156,
      "offset_end": 193
    }
  ]
}