Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDuUA25urtYRsQIfvOFhLxx/XUcjZwySF+Yd5+2a3UJAgnyMdAFgd0aE2l6… (1,748 chars)"
  }
}