{
   "epochs": [ {
      "calculation_time": "13366673982658646",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367337211333880",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0268F4E37E03918D2FA74C9EA366062E6D29C10C72CA497EBC99E50FAEC3F4B9",
   "next_scheduled_calculation_time": "13367942011334039"
}
