{
   "epochs": [ {
      "calculation_time": "13366412564803400",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367077329742198",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "21B1B36179CAAE44E80CE4E9F4F7F5E73876495E27DAFC67FB73874F02652C05",
   "next_scheduled_calculation_time": "13367682129742675"
}
