Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQLwjKG+OiV9TmDfJL5SDvNz+yto7rNzzRmEhuDkw8zqsGrJAtB5UNFsL3z/… (1,748 chars)"
  }
}