Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDXC/XSvkbSHZeZM5XkTpLeqvsWy6yszhRGpYf+3LDHZGsR5dlL4ZkNjBLW… (844 chars)"
  }
}