{
   "epochs": [ {
      "calculation_time": "13366352703517026",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367018325528444",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "66EC4FE5B06EDB8032235CB6700F1F62D7DC197B13784389520FF25E9286BEE7",
   "next_scheduled_calculation_time": "13367623125528738"
}
