{
   "epochs": [ {
      "calculation_time": "13370920030901251",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379007894219662",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "67F087A82006D56102F29BF27B9CA9B1E51D7DD591E7D32178EF8026CBEBDA21",
   "next_scheduled_calculation_time": "13379612694219712"
}
