validate_payable
[{"type":"address","value":"ak_nEuh5T3euNzN1m21ujwU8tE7ViriWaxjqhgXCGjUUZZ4d7TMD"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}