{
   "epochs": [ {
      "calculation_time": "13366350212779937",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367015996440481",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2B042BD04FF804A2B13674435E45D036DF969939FF21C72958261C8DA0C65463",
   "next_scheduled_calculation_time": "13367620796440819"
}
