Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB5VBjCm91L4sC1Z/LT0oWKhVRb7873T731y0kA0x5YdwJTEVz8C/63zGve… (1,748 chars)"
  }
}