{
   "epochs": [ {
      "calculation_time": "13370540303690485",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377071502658512",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0F8F550047BFE50D2C0C80632E71DD19043DF13C53A6348AEE93860E5CA813CF",
   "next_scheduled_calculation_time": "13377676302658632"
}
