{
   "epochs": [ {
      "calculation_time": "13366603824603291",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367263782561982",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "60EFB0A3C44032FE1166B4BD46CC669C91DDF04BC89531EABA40E316B710D375",
   "next_scheduled_calculation_time": "13367868582562672"
}
