{
   "epochs": [ {
      "calculation_time": "13370516983681321",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379450065211352",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "25529081471146C828C88877B52212C06A09101FE5B0E953AE56B390A29EE9CA",
   "next_scheduled_calculation_time": "13380054865211424"
}
