{
   "epochs": [ {
      "calculation_time": "13366261406437760",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366925848473869",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2FB3AB58CC697D498965674ADF6888A63B25C7F1B6B62334400EFF1EC37970D9",
   "next_scheduled_calculation_time": "13367530648474182"
}
