{
   "epochs": [ {
      "calculation_time": "13366506165754341",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367169242708811",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B856A97B47D494F8CD9B416C34A6FECC9905C6C58D256678FECB140DAF818E57",
   "next_scheduled_calculation_time": "13367774042709378"
}
