{
   "epochs": [ {
      "calculation_time": "13366226595495890",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366891605909700",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0059B07868E6BBCCEA903E72B649169667D74699EDF9EEA6A683C086F117AAA8",
   "next_scheduled_calculation_time": "13367496405910279"
}
