Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCtfdq7IZ8u7RWWHB8fGcBaNa3WQQ1mmJAqjcQfUKN3WX3dj4uAl0AcWxRQ… (844 chars)"
  }
}