{
   "epochs": [ {
      "calculation_time": "13366738066161905",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367409500665107",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7E4C0A4694A54918C860D2075534807281F44EAD572E777D16891AB24734D96B",
   "next_scheduled_calculation_time": "13368014300665230"
}
