{
   "epochs": [ {
      "calculation_time": "13366383691549035",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367048752494618",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "85AD053F86B00FB3CAF3C82EFD30856FDB544257B8BBDC3C620FBE1D450D98A3",
   "next_scheduled_calculation_time": "13367653552494810"
}
