{
   "epochs": [ {
      "calculation_time": "13366348837746150",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367014499970429",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6A80004262BA457389292FA80D909EF70E4CD674E08BE3E29A37FE59F36F2F1B",
   "next_scheduled_calculation_time": "13367619299970901"
}
