{
   "epochs": [ {
      "calculation_time": "13366787838048612",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367461414096258",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0999DE2547B5CB75D7E7CA49DBEAE4DC76E30C0289E9C219465DC625597078CF",
   "next_scheduled_calculation_time": "13368066214096500"
}
