{
   "epochs": [ {
      "calculation_time": "13366691874569409",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367355913271564",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F6B80F5A99FF53033E767C54F84CB0C26B4A4396F56B075265C0B4F9E742BA6A",
   "next_scheduled_calculation_time": "13367960713271825"
}
