Not able to login via API

Amazon Music
1

I am not able to generate the Auth Token.
https://api.amazon.com/auth/O2/token

using scope music::profile:read
Getting below error

{
    "error_index": "Chmk1lyviZ5X2Ba5ORWtFQAAAAAAAAABnUhFhEW9x8vk9rf62riOCHaadrh5tJNjHH0iV2zstow6gsABS3H47DQx-aZ-hPxUFJaNbLJuOddgAsHvqxjhp_R_vV1Bi-tRZz3YQczh7WgElUrXgZ0GcrkPrDp3Oezcsbx3f2fjaYxLaaiQ1WmWnPtFxn2_aL9Qtz2Eqa-j1zLnZVI6NzVhFOz2lGkTbWPvB5b19zZp66t022_tr-u84valjyDfpqSErIMEkw==",
    "error_description": "The request has an invalid parameter : scope",
    "error": "invalid_scope",
    "request_id": "6b7e096d-9432-4a02-9555-f8e0a679027f"
}

Can some one help me in this please.
Thanks