Anywhere 
 EJSON.stringify(val, [options]) 
 import { EJSON } from 'meteor/ejson' Source 
 Serialize a value to a string. For EJSON values, the serialization fully represents the value. For non-EJSON values, serializes the same way as JSON.stringify. 
Arguments
 val EJSON-able Object   A value to stringify.  
Options
 indent Boolean, Integer, or String   Indents objects and arrays for easy readability. When true, indents by 2 spaces; when an integer, indents by that number of spaces; and when