{
   "epochs": [ {
      "calculation_time": "13370691854448140",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377540375719517",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9E47FBD48588260458DF124681DF685995C78369D79BD2B38F330592234116AF",
   "next_scheduled_calculation_time": "13378145175719575"
}
