{
   "epochs": [ {
      "calculation_time": "13366325368627590",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366991073491477",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8829EFF8FE32DE370796C6E2739B2DECD3A349257A275A345F63E70EAAD0D52A",
   "next_scheduled_calculation_time": "13367595873492149"
}
