curl --request POST \
  --url https://rag-prod.studio.lyzr.ai/v4/knowledge_graph/neo4j/ \
  --header 'Content-Type: multipart/form-data' \
  --header 'x-api-key: <api-key>' \
  --form 'schema_prompt=<string>' \
  --form 'extra_info=<string>'

{
  "message": "Knowledge Graph trained successfully using Neo4J.",
  "rag_id": "6848ff3c4c291b4bef798e0c",
  "nodes_created": 142,
  "relationships_created": 315
}