{
   "epochs": [ {
      "calculation_time": "13366479428741986",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367142366128758",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "886B01374A8739C7726B08D76C045D41B77EFC8B067466DAA7B3F8C3CE672816",
   "next_scheduled_calculation_time": "13367747166129011"
}
