[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"message","type":"string"}],"name":"Message","type":"event"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"message","type":"string"}],"name":"postMessage","outputs":[],"stateMutability":"nonpayable","type":"function"}]