Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD55w88EtC+oaYUbniqWkX4QPVO+F/9QkyecaxzrI4DqUP6iZowlWQW/8Yk… (1,748 chars)"
  }
}