When creating a webhook for subscription
Expected HTTP Error: Client error: 'POST https://platform.devtest.ringcentral.com/restapi/v1.0/subscription' resulted in a '400 Bad Request' response: { "errorCode" : "SUB-524", "message" : "HTTPS certificate is not valid", "errors" : [ { "errorCode" : "SUB-524 (truncated...) (from backend) at URL https://platform.devtest.ringcentral.com/restapi/v1.0/subscription
Expected HTTP Error: Client error: 'POST https://platform.devtest.ringcentral.com/restapi/v1.0/subscription' resulted in a '400 Bad Request' response: { "errorCode" : "SUB-524", "message" : "HTTPS certificate is not valid", "errors" : [ { "errorCode" : "SUB-524 (truncated...) (from backend) at URL https://platform.devtest.ringcentral.com/restapi/v1.0/subscription