curl --request POST \
  --url https://open.bigmodel.cn/api/llm-application/open/v2/application/file_stat \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "app_id": "<string>",
  "file_ids": [
    "<string>"
  ]
}'

{
  "data": [
    {
      "file_id": "<string>",
      "code": 123,
      "msg": "<string>"
    }
  ],
  "code": 123,
  "message": "<string>",
  "timestamp": 123
}