{
   "epochs": [ {
      "calculation_time": "13366384609388148",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367049612713607",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F582F0775A5DE4F2571348D7053C0D9D7B61A24AD9833987AE4785F60B2BCE14",
   "next_scheduled_calculation_time": "13367654412713820"
}
