{
   "epochs": [ {
      "calculation_time": "13366348417937280",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367014011998929",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "156AFC8DBCFCFFC7DB7061B1E79F5208737C071F3F92F65C57E0CE71DF25F9FF",
   "next_scheduled_calculation_time": "13367618811999156"
}
