Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDU+D1chP3CKdaB7v9j1uqhIflql7p3+J20SBD/r4a2YDNyNYJnxjtFK1dv… (1,748 chars)"
  }
}