curl -X POST '{backend_url}/admin/return-reasons/{id}' \
-H 'Authorization: Bearer {access_token}'
{
"return_reason": {
"id": "string",
"value": "string",
"label": "string",
"description": "string",
"metadata": {},
"created_at": "2019-08-24T14:15:22Z",
"updated_at": "2019-08-24T14:15:22Z"
}
}