{
   "epochs": [ {
      "calculation_time": "13370718887316163",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377714480783917",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "565F742F40F9FD7F3684C34613DD2E88C560D178E827EF075FB8C3BEA5B6B2FB",
   "next_scheduled_calculation_time": "13378319280784006"
}
