{
   "epochs": [ {
      "calculation_time": "13366699828381333",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367364167808182",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7BDE3CE960FAAAB574EAC426EAF3EC9468E355BDBC26495681F1B424A98CC906",
   "next_scheduled_calculation_time": "13367968967808641"
}
