curl --request POST \
  --url https://open.bigmodel.cn/api/llm-application/open/knowledge/retrieve \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "query": "<string>",
  "knowledge_ids": [
    "<string>"
  ],
  "request_id": "<string>",
  "document_ids": [
    "<string>"
  ],
  "top_k": 123,
  "top_n": 123,
  "recall_method": "mixed",
  "recall_ratio": 80,
  "fractional_threshold": 123
}
'

{
  "data": [
    {
      "text": "<string>",
      "score": 123,
      "metadata": {
        "_id": "<string>",
        "knowledge_id": "<string>",
        "doc_id": "<string>",
        "doc_name": "<string>",
        "doc_url": "<string>",
        "contextual_text": "<string>"
      }
    }
  ],
  "code": 123,
  "message": "<string>",
  "timestamp": 123
}