You've been assigned a project inside of Paid it is now up to you to read the contract and accept or decline it. First use the View and Sign action to open the contract window, once open read the text to make sure you are happy with what will be done for the sum of money.
To accept - scroll to the bottom of the page and click the highlighted area, a window will open where you can either draw your signature with a mouse/trackpad or type it in. When you've done either option click Save and Insert and accept the terms. Finally click the finalise button at the top of the window. That's it you've completed your acceptance of the contract.
To decline - use the red Decline button, we will ask you for a reason so that if appropriate changes can be made and sent back to you.