Return execute PayPal (Payment release)

$result=$payment->execute($execute, $payPal);

/*
$result=
{
  "id": "PAY-34629814WL663112AKEE3AWQ",
  "create_time": "2013-01-30T23:44:26Z",
  "update_time": "2013-01-30T23:44:28Z",
  "state": "approved",
  "intent": "sale",
  "payer": {
    "payment_method": "paypal",
    "payer_info": {
      "email": "bbuyer@example.com",
      "first_name": "Betsy",
      "last_name": "Buyer",
      "payer_id": "CR87QHB7JTRSC"
    }
  },
  "transactions": [
    {
      "amount": {
        "total": "7.47",
        "currency": "USD",
        "details": {
          "tax": "0.04",
          "shipping": "0.06"
        }
      },
      "description": "This is the payment transaction description.",
      "related_resources": [
        {
          "sale": {
            "id": "1KE4800207592173L",
            "create_time": "2013-01-30T23:44:26Z",
            "update_time": "2013-01-30T23:44:28Z",
            "state": "completed",
            "amount": {
              "currency": "USD",
              "total": "7.47"
            },
            "transaction_fee": {
              "value": "0.50",
              "currency": "USD"
            },
            "parent_payment": "PAY-34629814WL663112AKEE3AWQ",
            "links": [
              {
                "href": "https://api.sandbox.paypal.com/v1/payments/sale/1KE4800207592173L",
                "rel": "self",
                "method": "GET"
              },
              {
                "href": "https://api.sandbox.paypal.com/v1/payments/sale/1KE4800207592173L/refund",
                "rel": "refund",
                "method": "POST"
              },
              {
                "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-34629814WL663112AKEE3AWQ",
                "rel": "parent_payment",
                "method": "GET"
              }
            ]
          }
        }
      ]
    }
  ],
  "links": [
    {
      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-34629814WL663112AKEE3AWQ",
      "rel": "self",
      "method": "GET"
    }
  ]
}
*/