curl --request POST \
  --url https://api.bonifiq.com.br/v1/pvt/Customer/{originalId}/changetier \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "GracePeriodInDays": 123,
  "TierId": 123,
  "GracePeriodComments": "<string>"
}
'

{
  "ErrorMessage": "<string>",
  "ErrorCode": 123,
  "Result": true,
  "HasError": true
}