{
   "epochs": [ {
      "calculation_time": "13366793930814531",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367467608380903",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BD07E8E31933E40FD09044CCBBCD1D9DB1D8273BCC0F1DBFE7FDACD3277983E8",
   "next_scheduled_calculation_time": "13368072408381514"
}
