Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF0d71N4lJ4MazIK/+a2QrST6nj3a9G1Wm3JpLw6wrT2CRQvhYI8NzTKdji… (844 chars)"
  }
}