{
   "epochs": [ {
      "calculation_time": "13366265555428113",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366929861192019",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3F35A4166BA7CF6DF3663E415A76A09C2BDD41EA3AFE1F9C4DC4B8B37645D7DD",
   "next_scheduled_calculation_time": "13367534661192152"
}
