Input:
{"_id": "1235625485","_rev": "1-jsdjsid456862"},
Output:
{"_id": "1235625485","_rev": "1-jsdjsid456862","_deleted":true},
Input:
{"_id": "1235625485","_rev": "1-jsdjsid456862"},
Output:
{"_id": "1235625485","_rev": "1-jsdjsid456862","_deleted":true},
you dont need to replace, its just addition of property. maybe you were unable to put it correctly in words. below is example how to add property.
var a = {"_id": "1235625485","_rev": "1-jsdjsid456862"}
a._deleted = true;
console.log(a)