{
   "epochs": [ {
      "calculation_time": "13366311964335184",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366977233635821",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AA1B3F63A23708C07257C4BB2C27409317C11755760ED9A1B626A07D485B241B",
   "next_scheduled_calculation_time": "13367582033636050"
}
