{
   "epochs": [ {
      "calculation_time": "13366427912443190",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367091706305289",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "42F9961F44C9866C416D15DA871FCE72B95F2C21A206A1CEB9FAE43A3A29510D",
   "next_scheduled_calculation_time": "13367696506305617"
}
