{
   "epochs": [ {
      "calculation_time": "13366318507820287",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366984075441864",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "689FF88EBDB870D6DCDE75FEDE9470CDF07E42919D2A5F6075436277FFA8304B",
   "next_scheduled_calculation_time": "13367588875442165"
}
