{
   "epochs": [ {
      "calculation_time": "13366444460107319",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367108405301820",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "213457B79B21FDB0CF1C41ECC1BE09D74D5E81AE3DC052CBFB95480ED100AC64",
   "next_scheduled_calculation_time": "13367713205302112"
}
