{"abi":[{"constant":true,"inputs":[],"name":"dummySystem","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_system","type":"address"}],"name":"setSystemAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]}