{
   "epochs": [ {
      "calculation_time": "13366299387523983",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366963861387169",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CBE0FC9BF1960A932E3246213AC480BC43CAF304A13940EF252495DE75DF6C0C",
   "next_scheduled_calculation_time": "13367568661387549"
}
