{
   "epochs": [ {
      "calculation_time": "13366319902258023",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366985425808668",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5B691EBAF9EF6C416B375B5E6CE6AA25ED7C9ABFEEAC5D7ADAB131DE12682C5A",
   "next_scheduled_calculation_time": "13367590225809441"
}
