{
   "epochs": [ {
      "calculation_time": "13366491986535595",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367155135884757",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "187DA384D16F0E454252155067F0518E2F57D0F001DC49A86491C8F0E5963C52",
   "next_scheduled_calculation_time": "13367759935885031"
}
