{
   "epochs": [ {
      "calculation_time": "13366489312768314",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367152302977116",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CFA958515D60661BA9F97B46404F9B5BC869E6AB13AFD718C96364F1C71F8B10",
   "next_scheduled_calculation_time": "13367757102977255"
}
