{
   "epochs": [ {
      "calculation_time": "13366428878411687",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367092813069722",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1BE777E08C38F0EB86A8F27321568BAF215B17B02886BA77608564C0CF25D453",
   "next_scheduled_calculation_time": "13367697613070011"
}
