{
   "epochs": [ {
      "calculation_time": "13370576129492033",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377203710549389",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "754B87D83ECDBD24CBE5F9F05D3F823B27B14B0A68142F2E886446EDD4129C65",
   "next_scheduled_calculation_time": "13377808510549532"
}
