{"push_id":1065383822,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"54d3dbee53e56921095a4cef78335a4b3478a6c2","before":"667714f8ae793f3a9db35f4725385cb71cb5dd2b","commits":[{"sha":"54d3dbee53e56921095a4cef78335a4b3478a6c2","author":{"email":"6f84b567afbc7c5fc553c67ba6ab93519ff9df47@gmail.com","name":"zecevicp"},"message":"chapter 4 changes","distinct":true,"url":"https://api.github.com/repos/spark-in-action/first-edition/commits/54d3dbee53e56921095a4cef78335a4b3478a6c2"}]}