[AWS] output shard id in json api gateway

curl \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{
    	"app_id": "com.sokoloff06.sdktest",
        "event_name": "af_cross_promotion",
        "event_time": "2020-05-10 00:57:26.038",
        "idfa": null,
        "advertising_id": "cb654aa6-8026-4633-bfd1-de619896fd6a"
    '} \
    "https://18vaiwh8l9.execute-api.ap-northeast-2.amazonaws.com/deploy"