{
   "epochs": [ {
      "calculation_time": "13366275220425754",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366939034381415",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EAE59FB26A049AC7541C30823372416621F96AF38AA5F9A4CC01A9CF6D9B6A86",
   "next_scheduled_calculation_time": "13367543834381675"
}
