{
   "epochs": [ {
      "calculation_time": "13366720126923009",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367385689573193",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DD0D2326E0FD490FC920276981EFBAA992F9C5791A29F5EF3BF8E919678213FF",
   "next_scheduled_calculation_time": "13367990489573407"
}
