{
   "epochs": [ {
      "calculation_time": "13366738321783376",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367409727208639",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4815B47399134057AE890B95F2E9ECFDB87F5006FF8F1A6156F340649C9C3DF9",
   "next_scheduled_calculation_time": "13368014527209504"
}
