{
   "epochs": [ {
      "calculation_time": "13366741368681746",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367412986903802",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "69FA4513148A91A26762DA484DD6F2DCA4D96A9818C801A08EB33CE4055D722E",
   "next_scheduled_calculation_time": "13368017786904057"
}
