entita json

{
    "name": "User",
    "properties": [
        {
            "name": "id",
            "type": "integer"
        },
        {
            "name": "firstName",
            "type": "string",
            "nullable": false
        },
        {
            "name": "lastName",
            "type": "string"
        },
        {
            "name": "myFriends",
            "manyToMany": {
                "targetEntity": "User",
                "inversedBy": "friendsWithMe"
            }
        },
        {
            "name": "friendsWithMe",
            "manyToMany": {
                "targetEntity": "User",
                "mappedBy": "myFriends"
            }
        }
    ]
}