{
   "epochs": [ {
      "calculation_time": "13366682730669835",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367346577039561",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "59ED567AC09D66BB67FA05D690AEA0F018111A2DAD0398FAC2EF625711506A64",
   "next_scheduled_calculation_time": "13367951377040380"
}
