{
   "epochs": [ {
      "calculation_time": "13370595604533693",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377332651255254",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "20BA099BFE35E455DD9C26BF324FE0D2232FAEB735DD39AD102FB17CD061E5F7",
   "next_scheduled_calculation_time": "13377937451255298"
}
