{
   "epochs": [ {
      "calculation_time": "13366619956532024",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367280058885096",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "44D3B32D909DADB88A87ED22619642CD192C730D9FDFE6EF59ABD916CB59B580",
   "next_scheduled_calculation_time": "13367884858885440"
}
