Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAhA6Vp0FXpl2HiDi6LZrGfkoMmqp4h7GJ6RT7NnXr2FXlpaQxXJsrFx2f9… (844 chars)"
  }
}