This is an empty SEQUENCE. It will fail to be parsed as a Certificate since it
contains no fields.


$ openssl asn1parse -i < [CERTIFICATE]
    0:d=0  hl=2 l=   0 cons: SEQUENCE          
-----BEGIN CERTIFICATE-----
MAA=
-----END CERTIFICATE-----

ERROR: Couldn't read tbsCertificate as SEQUENCE

-----BEGIN ERRORS-----
RVJST1I6IENvdWxkbid0IHJlYWQgdGJzQ2VydGlmaWNhdGUgYXMgU0VRVUVOQ0UK
-----END ERRORS-----