validate_payable
[{"type":"address","value":"ak_ztq2wYkiXPtGaZ8qdqbRFfBfw4kJyWT7qBXo98zdEAWUowiuQ"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}