Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEktKZTUGbEuRXmagmSYmeoYVTcGT6JJ9NcFCOYWZ2JlVnbgQQ2zK+hk6ZB… (844 chars)"
  }
}