{
   "epochs": [ {
      "calculation_time": "13366417538911025",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367082279131001",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2B74FF620884652BC5406BED8FBB45743FA43D2E89E820DC949CBBF91E408176",
   "next_scheduled_calculation_time": "13367687079131202"
}
