What is wrong with this record create

{
"resource": [
{
"id": 0,
"FirstName": "Vineet",
"LastName": "Chauhan",
"username": "sdsds",
"Email: "sdsds.sdsd@gmail.com"
}
],
"ids": [
0
],
"filter": "string",
"params": [
"string"
]
}

I am getting a error response

{
"error": {
"context": null,
"message": "No record(s) detected in request.",
"code": 400
}
}