validate_payable
[{"type":"address","value":"ak_2vjD4fhW229nhStyJa4TF9j6yR3mcpzBB8AL61oh6D8nhaW5yY"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}