Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCsJ/b6DAgefxXQKUt2FPNTqQm33nwo6PZAR4O+AoTKrXLMnVwMGkgzgIb1… (844 chars)"
  }
}