{
   "epochs": [ {
      "calculation_time": "13366629439633622",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367289629086281",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4EB888DE647EE8F4A581E6D77AAFDF0E3678E9FBBC7FB12FA449D524F606487F",
   "next_scheduled_calculation_time": "13367894429086563"
}
