{"keys":[{"kty":"EC","crv":"P-256","x":"R4I0bspKYDXkF2Em008tuDsfF8Nn9ssq7GfS-lJtGbY","y":"0L3hvhe2BMRH6Snf7qnPdL0UHj1mO09CFl1pzxIflQU","kid":"2026-09-sandbox-a","use":"sig","alg":"ES256","status":"active"}]}