hoe to pass data in the form of x-www-form-urlencoded

Hi,

Our requirement is to pass username and password data through body request in the form of x-www-form-urlencoded not Json

Here, is the json format
{
"grant_type": "password",
"username": "**********",
"password": "*********"
}

Please let me know how to convert this type into application/x-www-form-urlencoded" format in SOAP UI.

Please do reply