{
   "epochs": [ {
      "calculation_time": "13366608174190533",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367267926652375",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8AA9440A7F92C84B0BE9AEB0852BBEE3B87070B10944650B228604A98AE5EA3D",
   "next_scheduled_calculation_time": "13367872726652537"
}
