{
   "epochs": [ {
      "calculation_time": "13366620357067809",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367280570708151",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F6472D8F7FFBD53EA4E049ADFA65192898E5691F7DC8EA363733C7744FEE67FF",
   "next_scheduled_calculation_time": "13367885370708514"
}
