Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7NaS+ptBED0yOYgGfVL0f6xtzrN46Gn4wgNtQmqXPdHDlj4ewQCJJy0NG… (844 chars)"
  }
}