{
   "epochs": [ {
      "calculation_time": "13366407644675332",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367072459284143",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B4CBAE95ED948C39DCA9627416D5243DE035C2F0817D31B800B3B46586EA59FC",
   "next_scheduled_calculation_time": "13367677259284295"
}
