{
   "epochs": [ {
      "calculation_time": "13370111408831045",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375155795476459",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C75F79126E53B9912F23604B1396FB00A759B043B4CD79F6EE9371F65B25BE2C",
   "next_scheduled_calculation_time": "13375760595477031"
}
