{
   "epochs": [ {
      "calculation_time": "13370523384225071",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13372577272535956",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "84E0B018460D527419BED98D0A770F0F128DB6F6CA5FAD2EA0F4EC2AA086F726",
   "next_scheduled_calculation_time": "13373182072536187"
}
