Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH25oZLON+Hb2p9SuNqubN1nbF8CQz+5DKyUBIiG8mRP2qgqnKU1PxKr8cw… (844 chars)"
  }
}