{"push_id":549970635,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"83e1dd02663385010607360c5fea87c5ed046080","before":"75041b517c721b0d36e78d5fbc63e0cb83177206","commits":[{"sha":"83e1dd02663385010607360c5fea87c5ed046080","author":{"email":"2f95bb644dc9a9ddb4752ab34453c258a9d12937@gmail.com","name":"lee212"},"message":"cm-cluster introduced","distinct":true,"url":"https://api.github.com/repos/CourseMaterial/introduction_to_cloud_computing/commits/83e1dd02663385010607360c5fea87c5ed046080"}]}