Hi am new to App Store Connect api calls. First tried all apps url and it works. But I want to get screenshots for an app. and it gives an error.

JWT Payload: {
    aud = "appstoreconnect-v1";
    exp = "761634503.157082";
    iat = "761633363.157082";
    iss = "69a6de6e-6715-47e3-e053-5b8c7c11a4d1";
    scope =     (
        "GET /v1/apps/{appId}/appScreenshotSets",
        "GET /v1/apps"
    );
}

let url = URL(string: "/\(appId)/appScreenshotSets")!
//let url = URL(string: ";)! //WORKS


HTTP Status Code: 400
["errors": <__NSSingleObjectArrayI 0x600000010320>(
{
    code = "ENTITY_INVALID";
    detail = "Invalid scope GET /v1/apps/{appId}/appScreenshotSets";
    id = T6VMMMF3V4NGO7Z3AO4AHOU2QI;
    links = "<null>";
    status = 400;
    title = "JSON processing failed";
}
)
]