{
   "epochs": [ {
      "calculation_time": "13366248829303634",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366913646672283",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "68BD6AEB94D875DCC10F6C80060D3CA27C2BC6CF163DDE463CF9E093AD9ABAF5",
   "next_scheduled_calculation_time": "13367518446672425"
}
