{
   "epochs": [ {
      "calculation_time": "13366778570348898",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367451586905152",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "52CC32CAA0CDD98EAC6B0DE13E2BF853808BD816C10E9CEF42A9D2DB3F790B23",
   "next_scheduled_calculation_time": "13368056386905424"
}
