{"kty":"oct","k":"UPMlh1EmGF2JD87wJo1t7ghUWO7hlNTHb7cz8Fna7BlUBxLOv9H_HYeRZMG6EQKWGpoiq6K0xm8CY1oUQ_Yg0Ki2fsTo6ovUvq77nLc-WLSQGuET86xW8EdlXw0l1VAe5I2rMuvCKuqo-_jZr0FdB2nVxlRV4RskH3e-44BA7WY","alg":"HS512","key_ops":["sign","verify"],"ext":true}