{"push_id":2438762284,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"afb7a280980bea3879c9e844ffe813c9285dc0aa","before":"985f20cf15b741e86a004c942dbf14b90cd37be8","commits":[{"sha":"afb7a280980bea3879c9e844ffe813c9285dc0aa","author":{"name":"root","email":"0ddec2d7e784f56fe0bd4fe295b4b53464af379c@openedx.cs.tsinghua.edu.cn"},"message":"Update:2018-03-28_14:30:57","distinct":true,"url":"https://api.github.com/repos/xyongcn/piazza-data-tsinghua.edu.cn_spring2015_30240243x/commits/afb7a280980bea3879c9e844ffe813c9285dc0aa"}]}
{"actor":{"display_login":"jennyzhang8800"}}