Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGh1vk0IvWvDu1Dh/MJwjhKMltvhuV3sZvWzqtnBDdcaD/Ie0bmNwmytnJV… (844 chars)"
  }
}