{
   "epochs": [ {
      "calculation_time": "13366608138748292",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367267799615180",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1D09537CD60CC8DB28530086E92508AFE6357138EC3F5F1C2E596A027548EF6E",
   "next_scheduled_calculation_time": "13367872599615561"
}
