curl --request GET \
  --url https://rag-prod.studio.lyzr.ai/v4/knowledge_graph/neo4j/graph/ \
  --header 'x-api-key: <api-key>'

{
  "nodes": [
    {
      "id": "<string>",
      "label": "<string>",
      "properties": {}
    }
  ],
  "edges": [
    {
      "id": "<string>",
      "source": "<string>",
      "target": "<string>",
      "type": "<string>",
      "properties": {}
    }
  ],
  "metadata": {}
}