{
   "epochs": [ {
      "calculation_time": "13366486863415832",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367149773373863",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E998B4E6B7963A43CF25D5CF91B829614E69446265015B130928836C8DD7778C",
   "next_scheduled_calculation_time": "13367754573373982"
}
