validate_payable
[{"type":"address","value":"ak_2npLy29TywiEP1TSmZ45BQMh99NYpjEsQbCu9UhWw4Dq6bMqkp"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}