{
   "epochs": [ {
      "calculation_time": "13366350974389910",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367016676204343",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F3FF3F17B161B55CE5F5B7556682EAE9AB5CD97C0C8BC58FBE718A579F5D1082",
   "next_scheduled_calculation_time": "13367621476204555"
}
