{
   "epochs": [ {
      "calculation_time": "13366715534701339",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367380541197518",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7CBF75969C8A6315758A01679BB85E42070FB332B805949C56BAAAD8122EEB01",
   "next_scheduled_calculation_time": "13367985341197650"
}
