{
   "epochs": [ {
      "calculation_time": "13366294416728589",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366958622326116",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D5033C7805847B8223CB21FDCC712B29635D93FCCD1F9A9AB5BD1799E3C84E3B",
   "next_scheduled_calculation_time": "13367563422326319"
}
