{"kty":"oct","k":"B5Jn7bmsQhij-E6uJKFnAgCE4CJQSM5r6_mmXmd88QTG_SOpfk0KRnR-TALnT4OPlqNm7OuawBcic2lBwP8QbU2tu7XwkxnBOSP6rnB3_5j5axoMXBET_kP8esUgzD0_0Fy0RsmeRN6BcfPQ-zjxEn_p70UuYzJGJ4H7kPoB5Gg","alg":"HS512","key_ops":["sign","verify"],"ext":true}