{
"keys": [
{
"kty": "oct",
"alg": "A128KW",
"k": "GawgguFyGrWKav7AX4VKUg"
},
{
"kty": "oct",
"k": "AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow",
"kid": "HMAC key used in JWS spec Appendix A.1 example"
}
]
}