[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"consumer","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ConsumerChanged","type":"event"},{"inputs":[{"internalType":"address","name":"_consumer","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"changeConsumer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"consumerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]