{"abi":[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"masterCopy","type":"address"}],"name":"ChangedMasterCopy","type":"event"},{"constant":false,"inputs":[{"internalType":"address","name":"_masterCopy","type":"address"}],"name":"changeMasterCopy","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]}