public static function getJson()
{
return '{"transaction_id":"TestSample","status":"TestSample","transaction_type":"TestSample","amount":' . CurrencyTest::getJson() . ',"fee_amount":' . CurrencyTest::getJson() . ',"net_amount":' . CurrencyTest::getJson() . ',"payer_email":"TestSample","payer_name":"TestSample","time_stamp":"TestSample","time_zone":"TestSample"}';
}