{
   "epochs": [ {
      "calculation_time": "13366218212036902",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366883228477759",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B2E516CC7CBF30082831190DDD60409F393ABD0398BB902A67D28618B76B017B",
   "next_scheduled_calculation_time": "13367488028478031"
}
