{
   "epochs": [ {
      "calculation_time": "13366368755063472",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367033955513894",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4EADCC5BEE29AEBE9F8E73ABFAACE32B60F5641BC5FB10F340F48E79B2BD6D74",
   "next_scheduled_calculation_time": "13367638755514190"
}
