Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH+IczwTiJCFu3ckMVdJEKTGd9pJ9WDYeNSBMXHOqvp/jJJ04UK9o0gJmtl… (844 chars)"
  }
}