curl --request GET \
  --url https://app.autoposting.ai/api-proxy/kbs/{kbId}/docs/{docId} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "id": "<string>",
    "name": "<string>",
    "status": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "chunkCount": 123
  }
}