validate_payable
[{"type":"address","value":"ak_EGFAnYTrjZTaA2yZWG2AKg4wDMU2cP1L4Khed7Bm8HHTaTuWW"},{"type":"contract","value":"ct_2BUHXzVNrELMiWKQ64saw1fvwir7wV5rnh5b28AK8Hf8Epr6qV"}]
{"type":"unit","value":""}