curl --request GET \
  --url http://localhost:3000/nodes

{
  "success": true,
  "data": [
    {
      "node_id": "<string>",
      "region": "<string>",
      "zone": "<string>",
      "status": "active",
      "last_heartbeat": "2023-11-07T05:31:56Z",
      "version": "<string>",
      "uptime": 123
    }
  ]
}