jose/tests/vectors/rfc7520_5.7.jwk

{"kty":"oct","kid":"18ec08e1-bfa9-4d95-b205-2b4dd1d4321d","use":"enc","alg":"A256GCMKW","k":"qC57l_uxcm7Nm3K-ct4GFjx8tM1U8CZ0NLBvdQstiS8"}