{
   "epochs": [ {
      "calculation_time": "13366248460194955",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366913390364512",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4B2B6933F074F7C51325F531E5FAACECF1786A07ECEFEE49E722D83A8E07BEE5",
   "next_scheduled_calculation_time": "13367518190364723"
}
