Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEq9YadGLbPNMXawP0ctBD5y8ezA6eRpZAkFVtaJQMhVhxlStNExGOFI5Xk… (844 chars)"
  }
}