{
   "epochs": [ {
      "calculation_time": "13366290030420870",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366954171516467",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FBF2F751A3CC919D541A78ADB737B4BCE91C328C64EB677CA6EC353760FC2B32",
   "next_scheduled_calculation_time": "13367558971516683"
}
