{
   "epochs": [ {
      "calculation_time": "13366663134872517",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367326158257753",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DE16165B89CD0A5E96C46D4B9700BB6ED63D81E7073206AA1327D741E28290C0",
   "next_scheduled_calculation_time": "13367930958258394"
}
