)]}'
{
  "commit": "4d2df0cf340e425c791980d7e0d4ce5963206303",
  "tree": "8377caf022131b81870143f088d00ca0194e6a39",
  "parents": [
    "2d785d65f446859ac120d27df6531d21573b60f4"
  ],
  "author": {
    "name": "Sameer Agarwal",
    "email": "sameeragarwal@google.com",
    "time": "Fri Sep 13 12:54:03 2013 -0700"
  },
  "committer": {
    "name": "Sameer Agarwal",
    "email": "sameeragarwal@google.com",
    "time": "Fri Sep 13 12:54:03 2013 -0700"
  },
  "message": "Add IterationSummary::gradient_norm.\n\nIteration summary now reports the 2-norm of the gradient also.\n\nChange-Id: I1ed7f1456ee4f546c9b42423d7a4ec3079ec078f\n",
  "tree_diff": [
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