Make sure to click the Copy Signature button in the signature template. If no confirmation is received then contact the agent
Do not use Copy anything else till the signature is pasted
Open gmail on browser and login to your account
Go to Gmail Settings -> General Tab
Scroll down to Signature section
Click Create new button in the signature section
Set name for the signature. eg: Your company name
In the right hand there is a large box to set your signature, Paste the signature here