Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEY+wHjv/QjJC/KGJUkM6unD3rKt3Qb8d0uAwXZQPYwBjH7CPsNjlU3TXsp… (844 chars)"
  }
}