{
   "epochs": [ {
      "calculation_time": "13366753644772257",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367425631158383",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "08C9CD02EA31C1D54B3141782425DD8977C8CED6B6E00916614840AE72888C0E",
   "next_scheduled_calculation_time": "13368030431158733"
}
