Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGLQZzFwpqLkdy5gn+ycvaMUO5q/tORyi+PX3lDNYff5CYC0kX9ZRe/a0t7… (844 chars)"
  }
}