{
   "epochs": [ {
      "calculation_time": "13370570875306651",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377180309028438",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F318FA15BE3F06A6B8C370343382D79EAA4FE3278F1CC3B41F75320B95102434",
   "next_scheduled_calculation_time": "13377785109028511"
}
