{
   "epochs": [ {
      "calculation_time": "13366682911558130",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367346775051612",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "30CB018F2E72296315EC96B8A9179DD99CDB1871AA7D5C09B41B04632D47BFD4",
   "next_scheduled_calculation_time": "13367951575053831"
}
