{
   "epochs": [ {
      "calculation_time": "13371091261075025",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379405622562347",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FD1016275636FB4F1E7D0CDCB8C7C49A82415ECEFF16A937957C65F640592139",
   "next_scheduled_calculation_time": "13380010422562863"
}
