Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHba+PtZ6T/g6nElLWbtD5r4gSFpgpMzssktaOV7cUdtQp2Yoo1YuLk44F5… (1,748 chars)"
  }
}