Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDzYQIyJehG/xVm1XVbDju7YXF0dDd5OBL2t1lD2JoLkUlh85LU3y+KoF7h… (844 chars)"
  }
}