getAliasMetadata response error code 9207

[Super11]

I do request from postman. Hello world works fine but  https://sandbox.api.visa.com/aliasdirectory/v1/getAliasMetadata
giving error.
request 
curl --location 'https://sandbox.api.visa.com/aliasdirectory/v1/getAliasMetadata' \
--header 'keyId: cec32378-041a-4b45-8a44-63cec766f6d1' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic S0E3RjJZRkRTWEU2UjhLOFZaS0YyMXpqSnVrZTdLTWV3aTcxYjdyS3Y4VFlPdnhDRTozaGx1b1Y3NW9jcDl3QTlCQWl0SFpaUWN0NDg=' \
--data '{
"aliases": [
"19002387857"
]
}'

response 

{

    "responseStatus": {

        "status": 401,

        "code": "9207",

        "severity": "ERROR",

        "message": "Token validation failed",

        "info": ""

    }

}

[SyedSa]

Hi @Super11, Thank you for reaching out. An agent will get back to you as soon as possible. Until then, if any community member knows a solution, feel free to reply in this thread.