{
   "epochs": [ {
      "calculation_time": "13366687407809359",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367351335017511",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "21143AE647E274AFB9C0D6E8F12FB1A3CB512523FD339FF1928B69C8A39944E0",
   "next_scheduled_calculation_time": "13367956135018028"
}
