curl --location --request POST 'https://api-octane.telcoinabox.com.au/tiabwsv2/api/v1/group//customer//send-welcome-email' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data-raw '{}'{
"errorCode": "x",
"errorMessage": "string"
}