We are developing an API project that takes JWS objects as parameters. Of course we control server / client keys, so the keys are known. However, it is laborious to construct those JWS strings by hand for every variation of JSON payload. Could anyone please suggest some online web-based JWS builder / generator / constructor tool for building JSON Web Signature JWS strings out of given JSON Payload object and Keys? Thank You! Input: RSA Priv