Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBbhqnt/X64kh+nElPsyEwjrmeNGOLICbB/yRr0WE2Zqn8RlOIv/f8P+hst… (844 chars)"
  }
}