Zalo Callback

curl --location --request POST '/zalo/webhook' \
--header 'API-KEY: <api-key>' \
--header 'SESSION-ID: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "app_id": "string",
    "sender": {
        "id": "string"
    },
    "user_id_by_app": "string",
    "recipient": {
        "id": "string"
    },
    "event_name": "string",
    "message": {
        "text": "string",
        "msg_id": "string"
    },
    "timestamp": "string"
}'