{
   "epochs": [ {
      "calculation_time": "13366427842081234",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367091645241696",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F383F7028257F99832373DB2CB6F412655103F2B8EF027963618521E0B8E3C07",
   "next_scheduled_calculation_time": "13367696445241877"
}
