{
   "epochs": [ {
      "calculation_time": "13370357047654600",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375413027356931",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DFF23E3E26CB699D7DA809E1559BDCAEE52E46478D1CE45451EDBD08ADF53D15",
   "next_scheduled_calculation_time": "13376017827357224"
}
