{
   "epochs": [ {
      "calculation_time": "13370517666308776",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13374186895810396",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EA37AFC9E13EC38144A741AAE47C1FF53BC011A5FD5D54BA84E0C48881A32F26",
   "next_scheduled_calculation_time": "13374791695810559"
}
