{
   "epochs": [ {
      "calculation_time": "13366233199904731",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366898348612905",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8385B0D1D04F625BC7245C4A394FE804402A74B3BBA18E72BCA9466C9E165B90",
   "next_scheduled_calculation_time": "13367503148613078"
}
