auth0 using scope scope=https://auth.snapchat.com/oauth2/api/user.external_id https://auth.snapchat.com/oauth2/api/user.bitmoji.avatar but Snapchat Marketing API Reference using scope should be like this:
To use multiple scopes please pass in a space separated list of scopes example scope=snapchat-marketing-api snapchat-offline-conversions-api .