I am a Marketer and I want to predict the success of my future marketing email campaign. For this I want you to define a set of unique test profiles with human like and distinct demographics and unique backgrounds, interests, and preferences.. Propose a list of the 15 most meaningful and representative attributes I can attach to my profiles. Order the list by importance with regards to my objective which is to measure the success and impact of my marketing email on a variety of different profiles that can compose my future audience.

Example: Name: (first and last name, a mix of common and unique names)

Ouput the list in json format like : 
{
    attribute: description,
    attribute:description,
    ...
}