Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFkSS77xFKbDgXr4u3n+BZTbNEzZOkxMcoXRsHONIKl6zPrMhrrX7shs0pl… (844 chars)"
  }
}