{
   "epochs": [ {
      "calculation_time": "13366308439868085",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366973297316691",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7BA0900A65EEA344860DE61DC33F5F28DA3A545125EA3DC89BEDCA782BF6EBB3",
   "next_scheduled_calculation_time": "13367578097317163"
}
