{
   "epochs": [ {
      "calculation_time": "13366696120482493",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367360557310223",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "48ED4AE052F6FB263DAE47F5EDA6C6E2EC50BAA8489E823E6AD3C01AD3F10ACF",
   "next_scheduled_calculation_time": "13367965357310350"
}
