示例值:eyJhbGciOiJIUzI1NiJ9.eyJpYXQiOjE2ODQ3NDEwMTMsInBheWxvYWQiOiJ7XCJjb3JwaWRcIjpcInd3OWM1NTMwMjEwYTBkNTExNlwiLFwiaWRcIjozODkzOTQxNjEzNTI3NjgsXCJ1c2VySWRcIjpcImFkbWluX3RtcWYwMTA5XCIsXCJpc0FkbWluXCI6MSxcImRlcGFydG1lbnRJZHNcIjpudWxsLFwibWFuYWdlRGVwdHNcIjpcIltdXCIsXCJkZXZpY2VcIjpcIndlYlwiLFwibmFtZVwiOlwiYWRtaW5cIixcInZhZ3VlXCI6MCxcIl9sZWFkZXJcIjp0cnVlfSIsImV4cCI6MTY4NDkxMzgxM30.r37AQ_8s37VgnJnnVUu8Qkd91c8-9awOBGi_C3YlPzI