curl --request DELETE \
  --url https://api.bonifiq.com.br/v1/pvt/Customer/{originalId}/removetier \
  --header 'Authorization: Basic <encoded-value>'

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