支付宝单次扣款签约失败，报错resultStatus=7002
用这个返回的字符串，签约失败。用支付宝开发平台助手进行验签失败。
alipay_sdk=alipay-sdk-php-20180705&app_id=XXXXXXXX&biz_content=%7B%22personal_product_code%22%3A%22ONE_TIME_AUTH_P%22%2C%22product_code%22%3A%22ONE_TIME_AUTH%22%2C%22sign_scene%22%3A%22INDUSTRY%7CVENDING_MACHINE%22%2C%22access_params%22%3A%7B%22channel%22%3A%22ALIPAYAPP%22%7D%2C%22device_params%22%3A%7B%22out_device_id%22%3A%2200000001%22%7D%2C%22third_party_type%22%3A%22PARTNER%22%7D&charset=UTF-8&format=json&method=alipay.user.agreement.page.sign¬ify_url=https%3A%2F%2Fbox.blb365.cn%2Fapi%2Fxxx.php&sign_type=RSA2×tamp=2020-01-07+17%3A59%3A05&version=1.0&sign=RX1m0pl5swX1Axy4fArpI0ayHK1sjzuzVjOileluqfrNdUQwKcWmtwWMx%2FWbncUd5vSZPT1PCHUrPFn7GwZ9BT%2FA9Z%2F8J3F%2BU%2FxfOQmmDZDGSEcsWcsBAl7ogqMXWIPUDkmAS36ibznEZ5CpSocKrMIrGI1vs1JGyRA7pxEW4hLhB7dujghg4iUn%2FKJv6kufoqPfPte7Ei6uMn1j4n34M5rElEPNpq5OyDrxrRbMVBNAurcUW04SPgwPpOQE5JRx512nPoNRyJdUDWGd%2BiNT43q1EHphXA4AgejaKn1N1Tsb3%2FFPhtWMhZJ6zIqKaGSJ5rYKM3CFwzyE6AMArAz38A%3D%3D
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