**local user collection Data:**
{
  _id:ObjectId("5a1ed62dff34bc642770a9b8"),
  name:"parth Patel",
  email:"parth@gmail.com"
},
{
  _id:ObjectId("5a1ed62dff34bc642770a9b9"),
  name:"priti Patel",
  email:"priti@gmail.com"
}

**remote user collection Data:**
{
 _id:ObjectId("5a1ed62dff34bc642770a9b8"),
  name:"parth Patel",
  email:"parth@gmail.com"
},
{
  _id:ObjectId("5a1ed62dff34bc642770a9b1"),
  name:"Meera Petkar",
  email:"meera@gmail.com",
  isTeacher : true
}

{
  _id:ObjectId("5a1ed62dff34bc642770a9b8"),
  name:"parth Patel",
  email:"parth@gmail.com"
},
{
  _id:ObjectId("5a1ed62dff34bc642770a9b9"),
  name:"priti Patel",
  email:"priti@gmail.com"
},
{
  _id:ObjectId("5a1ed62dff34bc642770a9b1"),
  name:"Meera Petkar",
  email:"meera@gmail.com",
  isTeacher : true
}