{
   "epochs": [ {
      "calculation_time": "13366398086746002",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367063310925317",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "54F3E500427B693E70FBC8649F832872488E1FCDBE0B66B03F45FCA910AD62D9",
   "next_scheduled_calculation_time": "13367668110925739"
}
