{
   "epochs": [ {
      "calculation_time": "13366768156678488",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367440470142473",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "35E154CEAB21124135EF1FB58B33BF60B51C659FFA6DC6403173CC83CB020737",
   "next_scheduled_calculation_time": "13368045270142601"
}
