{"push_id":1082028657,"size":1,"distinct_size":1,"ref":"refs/heads/issue112","head":"cb32a90665ea6904a8346d497ffe59d559a1606e","before":"62ec4182e0fadde6a1c3f95bb378188e4aea58b8","commits":[{"sha":"cb32a90665ea6904a8346d497ffe59d559a1606e","author":{"email":"10359294112e1e9f42d3d823af5b04ddc792fde8@gmail.com","name":"wuciawe"},"message":"filterKeys doesn't return a Serializable Map","distinct":true,"url":"https://api.github.com/repos/wuciawe/Spark-MongoDB/commits/cb32a90665ea6904a8346d497ffe59d559a1606e"}]}