validate_payable
[{"type":"address","value":"ak_RNSB3YJSLxpX6wMqF8miLA7brMurkzE1Tf6h6vezgKj6Yv7BJ"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}