Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH8tsnXsyp97xJ+YwmnR9+wOBgGRuKWc2JZWnnbwXo4g1SmV/nIGLuQy8Qr… (844 chars)"
  }
}