{
   "epochs": [ {
      "calculation_time": "13366810840864232",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367485040302832",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9314C52E11357426BBF07050CFC7CAD24481BBB988BA8489564AEA3A08B2D780",
   "next_scheduled_calculation_time": "13368089840303424"
}
