curl --request POST \
  --url http://127.0.0.1:3333/v3/integrations/gmail/webhook \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": {
    "data": "<string>",
    "messageId": "<string>",
    "publishTime": "<string>"
  }
}
'

{
  "message": "<string>"
}