Get account CA certificate

Example response

{
  "certificate": "-----BEGIN CERTIFICATE-----\naxxxxxxxxxxxxx+tkP9Uh9+PxxxxxcNAQEM\nBQAwOjE4MDYGA1UEAwwvZWYzMTc1xxxxxxxxxx0YjM2OWIz\nM2RkIFByb2plY3QgQ0EwHhcNMjEwMzMwMDgxNDU0WhcNMzEwMzI4MDgxNDU0WjA6\nMTgwNgYDVQQDDC9lZjMxNzU1NC1lNzYzLTQ5ZjUtODI4Ni1lZDRiMzY5YjMzZGQg\nUHJvamVjdCBDQTCCAaIwDQYJKoZIhvcNAQEBBQxxxxggGBAK1Vh4GR\nlfxPZ3Icw8E1WlS5+9rADOdrstYtL3oiHBqzljmjvKf1Vuu0LLHtszWrCElOvoZ4\nzhg6+yVIB9YcvTZJNU0BNlIilF0rafn/40pFjeKrtxxxxxxxxxxy48Hnk\nMAiqoRyJ6hGRpYmKVip2sbMEtI+X9xQahlhlTMLo9082gS2hI5nvmhDqRiOlly28\ntwr2I/nbsIao8pIE19bdptKVqrv9x+O51O2JK7NlyjxnJVaHS9Tv6z1gG0GZgzYW\nkram1U8oTu72cjvGhMIBhgz7AlQ74PMtAub/eH4hipGU4LDZQiZ+9kCT+FCD9uAq\nIq+ALiLPHTCaGiKTJYoerutgrmrz1HZp6RmxRc8Wk7MdPp8OHqSXUnewKSGlzEl3\nhlJ5UMOVQ+tSDffAuvA6phUS0mmm1xxxxxxxxxxxxxxxMcrVE8AjbF5nkieOV0r6hIwIDAQAB\noz8wPTAdBgNVHQ4EFxxxxgQUHTUNeVDpSFx8fjq9xxxxxxxxFDnqn8xY0iAwDwYDVR0TBAgwBgEB\n/wIBADALBgNxxxxxxxxxxLtt8qOjsbvS\nYZtePpqZjx7NkmFdScc0LOBj6oXFetcJlhLQKzrguQDi/trt29sxjZZ5zLnQufnE\ns8IYtbclhDbF0qGG15oP8tYVRXfzKLHF4HfuMrdiyqzF/q6Qy0fVIiFWD7t1it8V\nPLqlk9oFDL7xUnsZOfYcqv8Ct+aWE7L73gJVgUkDHP+gkdGTWKYm4zzYTLfqh1Iu\nyivOjn+KSyjjtsJsOGUDZBkh215OMKPp4JpWQpgQeK6kjTnwuMwEYYFyhfu/z5wU\nwN7z7Ad39fyGmQzkGbFXtP0te4MFElOVSkiHaB4T4lTM6690st6+uIhFI1Qo/oAY\n30ybOpOTLF7FZxwY5Z+BTW27hytyECLkG3b4iKIqKsRIvlFkwKP8cfKjq7ImSbBG\nOJ8JBcraffygrLznbJ2979Y9yN+n+8wW0xxxxxxxxxxov24snxDmm6fAMoO1\nxBM7c2KZA5ZoZDefcz9e28r7xxxx==\n-----END CERTIFICATE-----\n"
}