validate_payable
[{"type":"address","value":"ak_2vZPPYhH8MKLbVZyX1wVxVG4o1Wpjy6u9UzdhCMViC2JSd2uHu"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}