{
   "epochs": [ {
      "calculation_time": "13370747605628520",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377840448464125",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3CACAAE0B7F1F067B1CB5D4D83C9D71733D597161B5FDAD9132BF4F25503C5FF",
   "next_scheduled_calculation_time": "13378445248464171"
}
