Invalid Bug ID

Sorry, I can't find "1504300","who":"","why":"","name":"","created":"2018-11-02T11:49:33Z"},"enabled":true,"issuerName":"MGUxCzAJBgNVBAYTAlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAiBgNVBAMTG0RpZ2lDZXJ0IEFzc3VyZWQgSUQgUm9vdCBDQQ==","serialNumber":"Ajx7/tYZjpFt5dBByJo9JQ==","id":"78be56f6-6b69-42ea-abaa-356d066b3c38","last_modified":1541184577902},{"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":"MFoxCzAJBgNVBAYTAklFMRIwEA". It does not seem like bug number nor an alias to a bug.

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