{
   "epochs": [ {
      "calculation_time": "13366754962912493",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367427005237850",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1F93A69202AD96FD4D0E231FAF6FFD90C1CE13FCE643B73E7D2D117CE2366775",
   "next_scheduled_calculation_time": "13368031805238127"
}
