{"kty":"oct","k":"znCc3maHOAZMuEym2Q04bJgkBH1QikNnEQNd3klJ1GGPLHReaREORjmP_Pb7jEuiEVbA71rpBRZ6nU5y7eeVohPkrmFYPgfirdZqT1-vmouI4QQXipNa8J8qaqKaaXELIED8byb-uLboF_sjM9tLnTX4TWMgWb7yREZe54rmLlo","alg":"HS512","key_ops":["sign","verify"],"ext":true}