validate_payable
[{"type":"address","value":"ak_2G8e7UvC25A6xf41J2RP4L1t4CEaZEVbJRfSVH53j33ZwZ1yoX"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}