Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAJaVB1bQGqJU7pI0PuXMTp8e6sHkGXCRe8ZnvgS0YPzFbg2wKgPOS02v9J… (1,748 chars)"
  }
}