{
   "epochs": [ {
      "calculation_time": "13366678112066781",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367341669675227",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CF98EEF24A9041CBC84EBC8DCD3A0A842D053A3685276846D38A5CA9741F2C49",
   "next_scheduled_calculation_time": "13367946469676059"
}
