{
   "epochs": [ {
      "calculation_time": "13366493246655121",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367156296543006",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F9EE5A86910D8AF0C18BA9F5C1A77335866A195A8C7F136FAAEF2BF65A72A9D5",
   "next_scheduled_calculation_time": "13367761096543141"
}
