{
   "epochs": [ {
      "calculation_time": "13366480027862895",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367142864841633",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5EF0CAE3D96D5163CA9A19B065536E8E85D82244CD104F2BF41C5F58F578A5B2",
   "next_scheduled_calculation_time": "13367747664841833"
}
