示例值:eyJvcyI6ImFuZHJvaWQiLCJ2ZXJzaW9uIjoiMy4zLjQuMSIsInBhY2thZ2VzIjoiY24uVHVIdS5hbmRyb2lkKiY2LjU4LjAiLCJwcm9maWxlX3RpbWUiOjY3MSwiaW50ZXJ2YWxfdGltZSI6NCwidG9rZW5faWQiOiJQV2hldlcwTWh0cEYxa08zVGpubjVXV2wwQzJEdmpkaHpBcGhTRjBEZWw0QWJESjNzcWU5VFlncTRDUUdKSGE1Nm15UlpqRXZjcDJLRE1zalMra0lqUT09In0=