{
   "epochs": [ {
      "calculation_time": "13366387907877950",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367053095680218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D158E830675645D640766684A2FD1992E9A18F27AF6D82649B37BC0CDFFA4160",
   "next_scheduled_calculation_time": "13367657895680354"
}
