How can i send this getBalance request using curl in php?

Documentation information :

[1](https://i.stack.imgur.com/P41Eb.png);
[2](https://i.stack.imgur.com/w17Tp.png);
[3](https://i.stack.imgur.com/m8RIG.png);
[4](https://i.stack.imgur.com/vz8nR.png);

this is documentation info, please help.

I am at my beginnings in programming and I need help to use this documentation on one of my projects.