validate_payable
[{"type":"address","value":"ak_2Fp1NwUkDSb1yFHp2tAQY9fQS9QAn87PM4b4QfyVVwz6ZaP1wR"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}