type_url: "type.googleapis.com/google.crypto.tink.JwtHmacKey"
# value: [type.googleapis.com/google.crypto.tink.JwtHmacKeyFormat] {
#   version: 0
#   algorithm: HS384
#   key_size: 32
# }
value: "\020\002\030 "
output_prefix_type: RAW
