{
   "epochs": [ {
      "calculation_time": "13366607265556379",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367266988960660",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4BDE2C7735E766FF33414F876B325FF020D06A846E09FC91DC9EB20E98257575",
   "next_scheduled_calculation_time": "13367871788961481"
}
