{
   "epochs": [ {
      "calculation_time": "13366768048901520",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367440399133156",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "71C29A7669DEECE4C74C9797D08B458ED0198762C18999767972BD8631075D99",
   "next_scheduled_calculation_time": "13368045199136791"
}
