Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFqWcGoGcaZGBHsMP9Okv47o6pJLnb6Ikiuq3yesm5JBdXl54P4/VvK7q6… (844 chars)"
  }
}