ASSIGN url = "https://example.com"
ASSIGN iss = "some issuer"
ASSIGN sub = "some subscriber"
ASSIGN aud = "some audience"

ASSIGN restProxy = new UCN.Data.RESTProxy()

DYNAMIC headerData
DYNAMIC payloadData

payloadData.iat = 1551393169
payloadData.exp = 1551393469

ASSIGN hash = restProxy.EncodeRS512("Woot sauce is awesome")
ASSIGN rfcResponse = restProxy.RFC7523GrantWithRS256(url, iss, sub, aud, headerData, payloadData)