Querying meta values within an array

Answering my own question, as suggested in my edit I’ve had to use the following meta_query array to query the posts:

'meta_query'    => array(
    array(
        'key'       => 'country',
        'compare'   => 'LIKE',
        'value'     => '"' . get_the_ID() . '"'
    )
)

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