Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJy7qQEJtf0B8to8eA8dEjNFwXEe10+yHwUhzzQS7CaP0An5ucZXXo4b5eH… (844 chars)"
  }
}