Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGo3rGH26KKtDfm4xH/lpusJGkLXD5AsPgxX3Pao3IW4nNKclcnFQzRDFJK… (844 chars)"
  }
}