Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNI3A0NHbq/Zoc9TQYmM8pGv7IsV9GJbUh58YCKpL9YiXCd6PHbbnTKKtK… (844 chars)"
  }
}