Celebrations in capital as crowds welcome resignation of president

The video introduces the speaker with a brief statement, 'That's me.'

What does the phrase 'That's me.' imply about the speaker?

In what context might someone say 'That's me.'?

How can the phrase 'That's me.' be interpreted in different situations?

What emotions might be associated with saying 'That's me.'?

Can you provide an example of a scenario where 'That's me.' would be an appropriate response?