Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFOZeZHaIJ71ocbzTvSuzcj/798H1yAD5Cc8f4wD7uaTxW85OxiU4+vu7LA… (1,748 chars)"
  }
}