{
   "epochs": [ {
      "calculation_time": "13366292939576386",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366957285630424",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3FEDDBFDF2259CD12B99AB46577E795C2A8636116235CCDB9145A6EB4F4E18AD",
   "next_scheduled_calculation_time": "13367562085630571"
}
