```json
{
  "metadata": {
    "split_strategy": "single_document",
    "source_documents": [],
    "extraction_method": "ai_generation"
  },
  "documents": [
    {
      "id": "doc_1",
      "title": "Test Document",
      "filename": "test_document_memo.docx",
      "sections": [
        {
          "id": "section_heading_1",
          "content_type": "heading",
          "elements": [
            {"level": 1, "text": "Memo"}
          ],
          "order": 0
        },
        {
          "id": "section_heading_2",
          "content_type": "heading",
          "elements": [
            {"level": 2, "text": "To: All Employees"}
          ],
          "order": 1
        },
        {
          "id": "section_heading_3",
          "content_type": "heading",
          "elements": [
            {"level": 2, "text": "From: Management"}
          ],
          "order": 2
        },
        {
          "id": "section_heading_4",
          "content_type": "heading",
          "elements": [
            {"level": 2, "text": "Date: October 10, 2023"}
          ],
          "order": 3
        },
        {
          "id": "section_heading_5",
          "content_type": "heading",
          "elements": [
            {"level": 2, "text": "Subject: Placeholder Content"}
          ],
          "order": 4
        },
        {
          "id": "section_paragraph_1",
          "content_type": "paragraph",
          "elements": [
            {"text": "This memo serves as a placeholder for future content. Please review the structure and format to ensure it meets your needs."}
          ],
          "order": 5
        },
        {
          "id": "section_bullet_list_1",
          "content_type": "bullet_list",
          "elements": [
            {
              "items": [
                "Introduction to the topic",
                "Detailed analysis",
                "Conclusion and recommendations"
              ]
            }
          ],
          "order": 6
        },
        {
          "id": "section_paragraph_2",
          "content_type": "paragraph",
          "elements": [
            {"text": "For further information, please contact the management team. We appreciate your attention to this matter and look forward to your feedback."}
          ],
          "order": 7
        }
      ]
    }
  ],
  "complete_response": true
}
```