{
   "epochs": [ {
      "calculation_time": "13366269015199677",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366933245616885",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6E07A61456156D4D487E2602928D59168D32A5901BFBD87D19008CABF52C87CF",
   "next_scheduled_calculation_time": "13367538045617093"
}
