Invalid Bug ID

Sorry, I can't find "1521150","who":"","why":"","name":"","created":"2019-01-18T11:45:13Z"},"enabled":true,"issuerName":"MH8xCzAJBgNVBAYTAkVVMScwJQYDVQQKEx5BQyBDYW1lcmZpcm1hIFNBIENJRiBBODI3NDMyODcxIzAhBgNVBAsTGmh0dHA6Ly93d3cuY2hhbWJlcnNpZ24ub3JnMSIwIAYDVQQDExlDaGFtYmVycyBvZiBDb21tZXJjZSBSb290","serialNumber":"CA==","id":"c2060e12-c016-498e-8f7a-63a84744145c","last_modified":1547837136780},{"schema":1552491702967,"details":{"bug":"https://bugzilla.mozilla.org/show_bug.cgi?id=1521150","who":"","why":"","name":"","created":"2019-01-18T11:45:13Z"},"enabled":true,"issuerName":"MIGuMQswCQYDVQQGEwJFVTFDMEEGA1UEBxM6TWFkcmlkIChzZWUgY3VycmVudCBhZGRyZXNzIGF0IHd3dy5jYW1lcmZpcm1hLmNvbS9hZGRyZXNzKTESMBAGA1UEBRMJQTgyNz". It does not seem like bug number nor an alias to a bug.

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