{
   "epochs": [ {
      "calculation_time": "13366305975843037",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366970552464887",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D89180380B0C67B8053FA0D9E23CB66081808B5CF585224D4C768D68670FF717",
   "next_scheduled_calculation_time": "13367575352465611"
}
