{
   "epochs": [ {
      "calculation_time": "13366429560291320",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367093182757688",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D36F075DAF9F4689192730A02B456ABA1F41E9CBA9B73710C329E5262A42A260",
   "next_scheduled_calculation_time": "13367697982758074"
}
