{
   "epochs": [ {
      "calculation_time": "13366761971746994",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367434204420986",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "35C4F9F54B5F1DA3FAC73C485F9F7CA0F4FE695B3A4BD174DE46E5D63BA33599",
   "next_scheduled_calculation_time": "13368039004421317"
}
