{
   "epochs": [ {
      "calculation_time": "13366714463488511",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367379232238377",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D4066A57A0409E6E75E93703FCD7BA5267DBD1B0F2C0FC4EB494FD87878AE25C",
   "next_scheduled_calculation_time": "13367984032238519"
}
