HTTP Method : GET

Signature = Base64(HMAC-SHA256(Your ChannelSecret, (Your ChannelSecret + URL Path + Query String + nonce)))
Query String : A query string except ? (Example: Name1=Value1&Name2=Value2...)

HTTP Method : POST

Signature = Base64(HMAC-SHA256(Your ChannelSecret, (Your ChannelSecret + URL Path + RequestBody + nonce)))