040000 tree 9b0a2c1cfa81e93385d1996b7bfcbf9bda9cb64e	test_root1
040000 tree b6979c7302a40b56ac809b0c18424519712d47db	test_root2
040000 tree 0aba916f6264b1fba0559606bf74fbef0a4c0253	verifier_impl_sample_data