validate_payable
[{"type":"address","value":"ak_27HMJvAU8WuBzdcaLD1im8nfbRU2RpFEb5rfgy4sZ9G8hVYS1C"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}