{
   "epochs": [ {
      "calculation_time": "13366590210437886",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367249990985780",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3E0C681E7AA007DF9AD727A376910F261B718C08C993C266CA3E3BCDEC318BD2",
   "next_scheduled_calculation_time": "13367854790986333"
}
