{
   "epochs": [ {
      "calculation_time": "13366707525584095",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367371911392483",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A4A34C5E58B58D5305C73E912071F0B616EB592EA647D4AF4899B59F7D70E970",
   "next_scheduled_calculation_time": "13367976711392868"
}
