Invalid Bug ID

Sorry, I can't find "1504300","who":"","why":"","name":"","created":"2018-11-02T11:49:33Z"},"enabled":true,"issuerName":"MFoxCzAJBgNVBAYTAklFMRIwEAYDVQQKEwlCYWx0aW1vcmUxEzARBgNVBAsTCkN5YmVyVHJ1c3QxIjAgBgNVBAMTGUJhbHRpbW9yZSBDeWJlclRydXN0IFJvb3Q=","serialNumber":"ArkguT7SeGHAA9ts1IOWWg==","id":"76e65b53-7470-4e1d-8b75-672633474bc2","last_modified":1541184580122},{"schema":1552492993020,"details":{"bug":"https://bugzilla.mozilla.org/show_bug.cgi?id=1504300","who":"","why":"","name":"","created":"2018-11-02T11:49:33Z"},"enabled":true,"issuerName":"MFoxCzAJBgNVBAYTAklFMRIwEAYDVQQKEwlCY". It does not seem like bug number nor an alias to a bug.

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