{
   "epochs": [ {
      "calculation_time": "13366336396660741",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367002677352545",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FF46F1BE20F8701E217FAE09F66BCE5A7C928D1B53C08C8549B45DE00477B890",
   "next_scheduled_calculation_time": "13367607477353177"
}
