{
   "epochs": [ {
      "calculation_time": "13371088557262525",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379392930761154",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "87D7F597F5DAB3882BC49088862D4B95900DAF8C75D9B184857EEED2EB5D9E34",
   "next_scheduled_calculation_time": "13379997730761288"
}
