获取子块

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "segment_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "content": "<string>",
      "word_count": 123,
      "tokens": 123,
      "index_node_id": "<string>",
      "index_node_hash": "<string>",
      "status": "<string>",
      "created_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "created_at": 123,
      "indexing_at": 123,
      "completed_at": 123,
      "error": "<string>",
      "stopped_at": 123
    }
  ],
  "total": 123,
  "total_pages": 123,
  "page": 123,
  "limit": 123
}