curl --request POST \
  --url https://api2.rhombussystems.com/api/user/metadata/deleteUserMetadataFieldTemplate \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '
{
  "templateUuid": "AAAAAAAAAAAAAAAAAAAAAA"
}
'

{
  "template": {
    "createdAtMillis": 123,
    "fieldName": "<string>",
    "orgUuid": "AAAAAAAAAAAAAAAAAAAAAA",
    "scimFieldName": "<string>",
    "updatedAtMillis": 123,
    "uuid": "AAAAAAAAAAAAAAAAAAAAAA"
  }
}