validate_payable
[{"type":"address","value":"ak_27kGJCesvZ8i7WQ6RAU6Ry5eTTrwQPemVdTGx28fZ1k9wTV6Yv"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}