{
   "epochs": [ {
      "calculation_time": "13366303609381991",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366968323275823",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "46A5772BE617697D7F6F35A7035E724441A69F10289FDEA92C80E15B08E27C4A",
   "next_scheduled_calculation_time": "13367573123276152"
}
