Error Bad Request on consuming azure API

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1

Hi all
i’m trying to invoke Azure API but i receive this error:

400 Bad Request

400 Bad Request

Microsoft-Azure-Application-Gateway/v2

here my request
can some help to understand where am i wrong ?

{
	"info": {
		"_postman_id": "xxxxxxxx",
		"name": "xxxxx_Azure",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
		{
			"name": "uploadItem_20210813",
			"protocolProfileBehavior": {
				"disabledSystemHeaders": {
					"user-agent": true,
					"accept": true,
					"accept-encoding": true,
					"connection": true,
					"content-length": true,
					"host": true,
					"content-type": true
				}
			},
			"request": {
				"method": "POST",
				"header": [
					{
						"key": "Content-Type",
						"value": "application/octet-stream",
						"type": "text"
					},
					{
						"key": "Ocp-Apim-Subscription-Key",
						"value": "zzzzzzzzzzzzzzzzz",
						"type": "text"
					}
				],
				"body": {
					"mode": "file",
					"file": {
						"src": "my.csv"
					}
				},
				"url": {
					"raw": "https://api-eu.vusion.io/vcloud/v1/stores/myStoreId/items/files/my.csv",
					"protocol": "https",
					"host": [
						"api-eu",
						"vusion",
						"io"
					],
					"path": [
						"vcloud",
						"v1",
						"stores",
						"mystoreId",
						"items",
						"files",
						"my.csv"
					]
				}
			},
			"response": []
		}
	]
}