JWT Creation with jti

create_jwt_2.rb

auth_header = JWT.encode({
  user_id: 123,
  jti: rand(2 << 64).to_s,  # One-time use token
  iat: Time.now.to_i,       # Specify the time the token was issued.
  exp: Time.now.to_i + 2    # Expire the token in 2 seconds
}, "<my shared secret>")
RestClient.get("http://api.example.com/", authorization: auth_header)