{"kty":"oct","k":"cpfT5YPnTmtsOXDtrGij0hzxpee7bBrKp7IsQRzRz4C1FSYHbtm3c_7gbZzgQPpODGpY1h5diLLOQ5NWoESwz-m7dBpmc4cw8QWCptIHKWqd4FBaL5r8O_zxK1s3zzJCwdUb2brZZnVLkyge-n0pbtzwCZY8qb9Sjggs5IZd4LM","alg":"HS512","key_ops":["sign","verify"],"ext":true}