{
   "epochs": [ {
      "calculation_time": "13366621483563618",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367281716591021",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A9B3D8E5E7D1ED0988FD7DFA80593B83BC84716F62E74AA64EF31B075B78F96F",
   "next_scheduled_calculation_time": "13367886516591281"
}
