Valid JSON is a text format for objects and arrays using {} and [], where keys and string values are in double quotes, and values can be only: string, number, boolean, null, array, or object. Example: { "name": "John", "age": 30, "roles": ["dev"], "active": true }.
{
"name": "John Doe",
"age": 30,
"isEmployed": true,
"roles": ["developer", "admin"],
"address": {
"city": "New York",
"zip": "10001"
}
}