Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHzYmtordQ/RWQ9VVIVIUUuqWoQUQl9uLZLmEnCm3DZ/R0zCpdXW9i/dkGe… (844 chars)"
  }
}