{
   "epochs": [ {
      "calculation_time": "13366777958078360",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367450766550702",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BE34ACCD42664B58FF314D89D36D3910AF405383F2A3E01EF9775F23D7048B85",
   "next_scheduled_calculation_time": "13368055566550877"
}
