{
   "epochs": [ {
      "calculation_time": "13366334970321190",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367001312615205",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1CC887C210F19A158DC8AFD9EE30995CA3EF6C4D44A991C1F9E514D5B84C14FE",
   "next_scheduled_calculation_time": "13367606112615377"
}
