{
   "epochs": [ {
      "calculation_time": "13366375837737951",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367040799087409",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "741233E6A6DD247CD59FB304E605B8FA327E708E488BC5CF6567C79D81C80F33",
   "next_scheduled_calculation_time": "13367645599087690"
}
