{
   "epochs": [ {
      "calculation_time": "13366626086464644",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367286304440476",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "399EBE680089E8B68DE08C7CA1415F301B59ED914E36DA7D88507DA7389E27A3",
   "next_scheduled_calculation_time": "13367891104440689"
}
