{
   "epochs": [ {
      "calculation_time": "13370374591390420",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376668221930795",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "58CC12EB8BBA347BFD4D31DD0AE0B88C02D452F3AA802C33D0837F7878DD2107",
   "next_scheduled_calculation_time": "13377273021931009"
}
