{
   "epochs": [ {
      "calculation_time": "13370719742975260",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377798068942859",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "41D8FFC5118184E4F9A57C34DE394CA4FFB458035C9FD3B88DE0110D6D178739",
   "next_scheduled_calculation_time": "13378402868943199"
}
