{
   "epochs": [ {
      "calculation_time": "13366425432549174",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367089544679809",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A339CCBA9A996393F7491EE1C1F1138574D4537AED235381303D58439E3BC804",
   "next_scheduled_calculation_time": "13367694344680142"
}
