{
   "epochs": [ {
      "calculation_time": "13366477482103131",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367140428333829",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "482EB0927D04D9B1CF97BE59C0B125B39758E83F371D6EB84FAE5993DBB0E454",
   "next_scheduled_calculation_time": "13367745228334263"
}
