{
   "epochs": [ {
      "calculation_time": "13366204074163979",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367441905717309",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0D465AEC3ED73164B59C54EF01FC982F6CCBF1A095D6187962582A7D941DE28F",
   "next_scheduled_calculation_time": "13368046705717860"
}
