{
   "epochs": [ {
      "calculation_time": "13366534892938483",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367196915984990",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E73291A0BA8E32CB9C6B552158EB8DCE84933A8ACAEBE95EFC3179536ED0A0A4",
   "next_scheduled_calculation_time": "13367801715985365"
}
