curl --request GET \
  --url https://perp-api.phoenix.trade/v1/traders/{trader_pubkey}/notifications \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "acked": true,
      "createdAt": "2023-11-07T05:31:56Z",
      "data": "<unknown>",
      "eventIndex": 123,
      "id": 123,
      "instructionIndex": 123,
      "notificationType": "<string>",
      "recipientIndex": 123,
      "slot": 123,
      "slotIndex": 123,
      "source": "event",
      "details": {
        "base_lots_filled": 123,
        "price": 123,
        "side": "<string>",
        "symbol": "<string>",
        "type": "orderFilled"
      }
    }
  ],
  "nextCursor": "<string>"
}