curl --request POST \
  --url https://api.intelligence.io.solutions/api/r2r/v3/graphs/{collection_id}/entities \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "description": "<string>",
  "category": "<string>",
  "metadata": [
    "<any>"
  ]
}'

{
  "results": {
    "name": "name",
    "description": "description",
    "category": "category",
    "metadata": {
      "key": "value"
    },
    "id": "id",
    "parent_id": "parent_id",
    "description_embedding": [
      1.1
    ],
    "chunk_ids": [
      "chunk_ids"
    ]
  }
}