{
   "epochs": [ {
      "calculation_time": "13366368061843392",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367033269493178",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EE47074E29F7DAEE056F9571CA2649F0A117057143A0C4332E916978AFFA8A69",
   "next_scheduled_calculation_time": "13367638069493944"
}
