Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFCYmNHZS2Feoyy9d+6B4V9+6HMrwYAokYfBPa+tMD5bV37IVvr0WOC+oiJ… (844 chars)"
  }
}