{
   "epochs": [ {
      "calculation_time": "13366667570666579",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367330853362686",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B985EABC824D062CDD60A2B597E8C667E99CBF14073023BF402EFCF1F1AE156E",
   "next_scheduled_calculation_time": "13367935653362854"
}
