{"kty":"oct","k":"IPvm_2BHDUPiZUu4UrRoLYPJ5GM3MutbiB0DXOg1Ts3ENYTHGo-ix0DYhfesD7Hpyn-iQGz9gVoM_fbygsw_xsOPWKXgwaeBECaG1vzxqLtHzzUYjPL-7AR1Pyt4ZABDlRtC2LFRWjJnxA4q3-dw81bVnheUAU3HgqPD8lT2HiA","alg":"HS512","key_ops":["sign","verify"],"ext":true}