mojo-ping

{
    "buyer_data":
    {
        "email": "string",
        "first_name": "string",
        "last_name": "string",
        "order_id": "string",
        "is_production": "string",
        "action": "ACTION",
        "products": [
        {
            "item_id": "string",
            "item_price": "string",
            "external_id": "string" //We need this field
        }]
    },
    "signature": string"
}