{
   "epochs": [ {
      "calculation_time": "13366328493996827",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366994338488242",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A6DF9776D34E576BF89CECA9689EBD9F47BC0B4CD900A240B13FC00100B4B367",
   "next_scheduled_calculation_time": "13367599138488395"
}
