{
   "epochs": [ {
      "calculation_time": "13366327402937270",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366993285676072",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "448B671ACA9D5CDC6A90A2BD76C1DF364E15860F88FCB905A17B0ACA3565507D",
   "next_scheduled_calculation_time": "13367598085676598"
}
