title: Why this JSON is invalid?
body: <p>I have tried to send some emails to my php server as json format,but when I validate that json it shows some error     </p>
  
  <pre><code> {"function":"contacts", "parameters": {"emails": "(
       "John@mac.com",
       "anna@gmail.com",
       "hank@mac.com"
    )","user_id": "90"},"token":""}
  </code></pre>
  
  <p>Error shows as -</p>
  
  <pre><code> Parse error on line 4:
    ...{        "emails": "(         "John@ma
    ----------------------^
     Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '['
  </code></pre>