{
   "epochs": [ {
      "calculation_time": "13366449171555837",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367112745807472",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7316A0D932E1267C339146C1B8DC9742943A8BF147ACAB6D7A41EBEC415CB107",
   "next_scheduled_calculation_time": "13367717545807714"
}
