type
error
url
l3u.top
error_code
404
error_message
HTTP 521: Unknown

{
    "url": "l3u.top", 
    "type": "error", 
    "error_message": "HTTP 521: Unknown", 
    "error_code": 404, 
    "version": "1.0"
}


{
    "url": "l3u.top", 
    "type": "error", 
    "error_message": "HTTP 521: Unknown", 
    "error_code": 404, 
    "version": "1.0"
}