Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC4vu+QjYaAg9zTgSwXNDVTH9Jt8SLg6qjcGhgeE7IfwQXpNqC6cHBjJdMG… (844 chars)"
  }
}