Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFqI58IFRYbv7vgY9LjuvQKWslI9ZaCqtjy9AQrjXdHwj3DtQ1Uxj+43gIW… (844 chars)"
  }
}