{
   "epochs": [ {
      "calculation_time": "13366773977546106",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367446407494171",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "79FC048E828A3C308A5C809BF5FF8115B196DA1650FAFA218B6D50651B3B9E83",
   "next_scheduled_calculation_time": "13368051207494312"
}
