{
   "epochs": [ {
      "calculation_time": "13370464486199148",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376861907208387",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0CE18500466B5290D9A6E4EF77B469553793896D12B88F60F89899758946F06B",
   "next_scheduled_calculation_time": "13377466707208457"
}
