Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHcGYQRWJhAZRy3WaJpGciTChjw/QQAKOvoY3k4tInWmS2T9KD1smN3Q/KW… (844 chars)"
  }
}