{
   "epochs": [ {
      "calculation_time": "13366764429085661",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367436809792501",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E16DE75584D847D9F0B98361ECB5E933F2F8A65AD41FBD7FD26D38606EC9AE65",
   "next_scheduled_calculation_time": "13368041609792707"
}
