{
   "epochs": [ {
      "calculation_time": "13366223474244896",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366888406452577",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C0705242663DA30CA03279C3F589EDE9564C2AA0A733252A0509DEB3FEB766A5",
   "next_scheduled_calculation_time": "13367493206452882"
}
