{
   "epochs": [ {
      "calculation_time": "13371112038854087",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379498389582388",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "983366E13EF553F6E3B5400090018A182FA609D489F7863AFF7517E92C13FEBF",
   "next_scheduled_calculation_time": "13380103189582506"
}
