Strapi cloud and mailgun templates

I’ve posted the wrong payload. Apologies

{
    "to": "info@test.co",
    "from": "no-reply@test.co",
    "replyTo": "info@test.co",
    "bcc": "test@gmail.com",
    "subject": "New user",
    "text": "a",
    "template": "new-user"
    "h:X-Mailgun-Variables": "{'email': 'test@test.com'}"
}