{
   "epochs": [ {
      "calculation_time": "13366424714007602",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367088968432068",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C3CBF5535A89FD574E84EB4DAD986AC09AAC4473DD2E9F8028B8ED92D5757BCD",
   "next_scheduled_calculation_time": "13367693768432265"
}
