{
   "epochs": [ {
      "calculation_time": "13366785551600696",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367459148908051",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8AEC4B304FE18C2D692AC8E379917AD761D0C7FBB4E466E0D02E22F299F454F6",
   "next_scheduled_calculation_time": "13368063948908245"
}
