magento2 – I gating _data: protected on printing client data in magneto 2.6

How to access this value from a table [value] => 11113610
Board
(
[is_saml] => Object Magento Framework Api AttributeValue
(
[_data:protected] => Table
(
[attribute_code] => is_saml
[value] => 1
)

                )

[uwid] => Object Magento  Framework  Api  AttributeValue
(
        [_data:protected] => Table
(
                [attribute_code] => uwid
                [value] => rs-build
)

)

[student_number] => Object Magento  Framework  Api  AttributeValue
(
        [_data:protected] => Table
(
                [attribute_code] => student number
                [value] => 11113610
)

)

)