{
   "epochs": [ {
      "calculation_time": "13366726251364988",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367394900561253",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AC9CEE1E95845E044E72EDD9A15B1A08C25A0ECB7D8D601E0743B6441C93582D",
   "next_scheduled_calculation_time": "13367999700563080"
}
