{
   "epochs": [ {
      "calculation_time": "13366305668999247",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366970253472987",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9E79B3F0EB9701BD25B99C4016DA44B679AB758C8ED51949897916DC471B8881",
   "next_scheduled_calculation_time": "13367575053473167"
}
