curl --request GET \
  --url https://sandbox.x.architect.co/api/positions \
  --header 'Authorization: Bearer <token>'

{
  "positions": [
    {
      "open_notional": "<string>",
      "open_quantity": 123,
      "realized_pnl": "<string>",
      "symbol": "<string>",
      "timestamp": "2023-11-07T05:31:56Z",
      "user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ]
}