curl --request GET \
  --url https://open.bigmodel.cn/api/llm-application/open/knowledge/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "embedding_id": 123,
    "name": "<string>",
    "description": "<string>",
    "background": "<string>",
    "icon": "<string>",
    "document_size": 123,
    "length": 123,
    "word_num": 123
  },
  "code": 123,
  "message": "<string>",
  "timestamp": 123
}