{
   "epochs": [ {
      "calculation_time": "13366293759198821",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366958019409851",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5387D8B570CCC4E91208777D8EC90EF7DDCED8B923476969E6656407324BE826",
   "next_scheduled_calculation_time": "13367562819409979"
}
