Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBPurKuBX1abnYpDJWcjY3d2IAa/2bx2TYZtdN4dQb0ngrpIVXCv3yXoZab… (1,748 chars)"
  }
}