{
   "epochs": [ {
      "calculation_time": "13370516280069547",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377255460897264",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "57A87417CC19B1F212398840D088A3676CAAD07CB81EFCAB94E5ECF9E6259F12",
   "next_scheduled_calculation_time": "13377860260897338"
}
