Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBcejpTGsS3VU4RkRqfX9XJGgE9Ldr9brqxirWZTgG/xX44R0Pjqvg8e/zA… (1,748 chars)"
  }
}