{
   "epochs": [ {
      "calculation_time": "13370515862052086",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377400242228842",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "13FA388C93DA3B4CFBB5A882FB7ECFBD5A096675D6C1DA5D1BDE32B623B07798",
   "next_scheduled_calculation_time": "13378005042228898"
}
