curl --request GET \
  --url https://api.ontora.com/v1/projects/{project_id}/graph \
  --header 'Authorization: Bearer <token>'

{
  "nodes": [
    {
      "key": "<string>",
      "node_type": "<string>",
      "name": "<string>",
      "properties": {},
      "ukl_ref": "<string>",
      "status": "<string>",
      "source_message_id": "<string>",
      "synced_to_ukl": true,
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ],
  "edges": [
    {
      "from_key": "<string>",
      "to_key": "<string>",
      "rel_type": "<string>",
      "properties": {},
      "source_message_id": "<string>",
      "created_at": "<string>"
    }
  ]
}