{
   "epochs": [ {
      "calculation_time": "13366288714299803",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366952921669673",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5772B6A97F4CAA7A0EA5E40C0584A23358D037B836EDD2622563C0804FC23202",
   "next_scheduled_calculation_time": "13367557721670342"
}
