{"push_id":559658828,"size":1,"distinct_size":1,"ref":"refs/heads/source","head":"be9ca4648348d68edac5a02f626d981fcc2a77c2","before":"6401371d9374840f06244153bdabdcf5de0c2e0c","commits":[{"sha":"be9ca4648348d68edac5a02f626d981fcc2a77c2","author":{"email":"5d9f49d9a51fa03992e945db2bbc9239cc912832@gmail.com","name":"Kai-Min Chang"},"message":"use concerns to dry up model","distinct":true,"url":"https://api.github.com/repos/kmc653/kmc653.github.io/commits/be9ca4648348d68edac5a02f626d981fcc2a77c2"}]}