The following Portal Urls are allowed to access this API:
Valid Issuer: permitsandtarsuat.powerappsportals.com
Portal Signing Key: -----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtQhIVVhSDxpFRmovmphC srmC1moRMxYWepzVrs7pAmauNGY45/BgeI6OLAz8mG6xVzRCPylIosEBdU8n/UgP Sl0rHYs5WTUxMt2mv12GSKQe2AHTGizRBXE/QHGCV9tRceGZZsPYCftP+/Waip+t 2dgiyfEElqwlUSHx+Q5aJ3ucU2c9rcQD1V/YwmQlWL5rdMo3lYEseDZGPWeLiDMQ gKk0G/Wox6k+L0mKWMHRYYBgriLv+XV8ahEtJEzTJxB7If+JAal8nayVDE8zeeG8 H65J+7ytGyVMSgiRji4qrSjhPBsi3/Q+NO07ccBa1J/1w2MEXtJr7qcqWy3I53vt EQIDAQAB -----END PUBLIC KEY-----