{
   "epochs": [ {
      "calculation_time": "13366204718601156",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366848092829562",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8BBE97183C9C19AF418A26895FB4F13668F8EB25EB769669F8CBE411B8BFA11F",
   "next_scheduled_calculation_time": "13367452892829771"
}
