Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBx4bYs8qb9+Sg7VcXWTRIv3U8JnNgFs7pdfG1DVZwVMWUzlcGOV4bX0Tcc… (1,748 chars)"
  }
}