fix: access message attribute
fix: access message attribute

kipohl/ncanda-data-integration,sibis-platform/ncanda-data-integration,sibis-platform/ncanda-datacore,nicholsn/ncanda-data-integration,nicholsn/ncanda-data-integration,sibis-platform/ncanda-datacore,kipohl/ncanda-data-integration,nicholsn/ncanda-data-integration,sibis-platform/ncanda-datacore,kipohl/ncanda-data-integration,sibis-platform/ncanda-data-integration