{
   "epochs": [ {
      "calculation_time": "13366628904300943",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367289152916755",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E516A782256BCE934EB92528D910DBDA56CF446E04D03771444F26AA2D399856",
   "next_scheduled_calculation_time": "13367893952917348"
}
