Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQIZBW2SOqwGVPph3v6a6aoKGIT1gsBpp9uVtDCAayoaGGl/eV5Eh2m7N8Xx… (1,748 chars)"
  }
}