{
   "epochs": [ {
      "calculation_time": "13366288625607706",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366952776361659",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0649449FBD8E583E27232CB2E4518BED9F744B43B15072CE75A8EDEF3268AA61",
   "next_scheduled_calculation_time": "13367557576361796"
}
