Client

{
    "id": 0,
    "external_id": "string",
    "first_name": "string",
    "last_name": "string",
    "email": "user@example.com",
    "phone": "string",
    "full_address": "string",
    "address": {
        "city": "string",
        "state": "string",
        "zip": "string",
        "street": "string"
    },
    "authentication_token": "string"
}