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

{
  "success": true,
  "data": {
    "entities": [
      {}
    ],
    "relationships": [
      {}
    ],
    "clusters": [
      {}
    ]
  }
}