Json feeder without String body


I am trying to send entire json body with StringfyBody as json is very large. How I need do it

val feeder = jsonFile(“data/remove/sample.json”)

.exec(http (“test”)
.post ("/shift/request/123")
.body ( )
.check (status.is (200)))

What I need to pass into my body? As sample json as array of jsons and I need to pass each json as request body ?