{
   "epochs": [ {
      "calculation_time": "13370518839354881",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377843847923982",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1FA4E113A312644BE0C05CD474CF839A647FF6FD99E5FDB01AC2AC34239E1F1F",
   "next_scheduled_calculation_time": "13378448647924032"
}
