{
   "epochs": [ {
      "calculation_time": "13366359940510483",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367025279604694",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1D2C757EA89D27E22B30A040D7E8BED6D1F670E3BC5263B719DECAA6EE5E8F4C",
   "next_scheduled_calculation_time": "13367630079605112"
}
