What is this Token?

iss: MyApp$
Token: 4z8-PeZebmsIX6duIFNhOaiqDM73yrIN62kmOPB-RsI
req: 2024-09-12 22:15:15
Content-Type: application/json; charset=UTF-8
Content-Length: 71

I tried to see the android app post, and the result got a token like this, the Token will change every time you log in.
I have tried to generate randomly, but the result is an invalid token, does anyone know this type of token?
And how to generate it, I tried using Random string it didn’t work, the token is invalid

this token :
Token: 4z8-PeZebmsIX6duIFNhOaiqDM73yrIN62kmOPB-RsI

Which app is this called?

Stream app

do you know what kind of token this is.?
Token: 4z8-PeZebmsIX6duIFNhOaiqDM73yrIN62kmOPB-RsI

Prob comes from a request why I asked what app