Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFJFTLKMbnvXqC+G3Amo2yrwJR0x+zpfkpbLu8qBxtUj0Oqe1M0M9e9j3AH… (844 chars)"
  }
}