{
  "portfolio_id": "REPLACE_WITH_ACTUAL_PORTFOLIO_ID",
  "current_holdings": [
    {
      "ticker": "005930",
      "quantity": 100
    },
    {
      "ticker": "000660",
      "quantity": 50
    },
    {
      "ticker": "035420",
      "quantity": 30
    }
  ],
  "cash": 5000000
}