{
   "epochs": [ {
      "calculation_time": "13370519401935566",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376938283044448",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4ADBF1DCEFEB4652F0BB22C54908B548F4D5F48FEAE82F449CA3133B759E217C",
   "next_scheduled_calculation_time": "13377543083044521"
}
