Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBvfGJjq/UY4yiiAkDKlgkWtHgoy7/dbyH+OYCfm6p/SiDU6jId/DYvN/kx… (844 chars)"
  }
}