{
   "epochs": [ {
      "calculation_time": "13366489845152084",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367152764530451",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FCEE004FB8F394C8883952A7988B14385CAF4D30800E6A1AC0C30F1C7563AE34",
   "next_scheduled_calculation_time": "13367757564530740"
}
