{
   "epochs": [ {
      "calculation_time": "13366267731449771",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366932037345913",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6D309C7D9D9CA36D0B36F30C77F5555EBC22AC9B717BDD1CCFE1BF5F3B83DFF9",
   "next_scheduled_calculation_time": "13367536837346007"
}
