{
   "epochs": [ {
      "calculation_time": "13366513138064250",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367176042623258",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ABDCA24FE691CBF44E054CAFD9F937287EC3727B833D821536B20AE09FF04A94",
   "next_scheduled_calculation_time": "13367780842623758"
}
