Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGKmgG5KofvWM8FX0sX+9UY6fhg3HgL+IZXtVZAO/Om+hfi+qUlrhgq4aC/… (1,748 chars)"
  }
}