[15-Jul-2018 16:31:31 UTC] params
[15-Jul-2018 16:31:31 UTC] Array
(
    [timeout] => 30
    [headers] => Array
        (
            [Authorization] => token eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VySWQiOjQyNzUsImNvbXBhbnlJZCI6NjA2MSwic2NvcGUiOlsiYWxsIl0sImV4cCI6MjAwNTA1NDk1MiwiaWF0IjoxNTMxNjY5MzUyfQ.eP-i1YAcPf8rx2a_XJo-_kLh8j1LSahkrzFzWI90yH0
            [Content-Type] => application/json
        )

    [body] => {"first_name":"Gravity","43869":"Reg","email":"gravityreg@example.com"}
)

[15-Jul-2018 16:31:32 UTC] response
[15-Jul-2018 16:31:32 UTC] WP_Error Object
(
    [errors] => Array
        (
            [error] => Array
                (
                    [0] => First name can't be blank
                )

        )

    [error_data] => Array
        (
        )

)