Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH35vT7PgRQ7LonTlmcWbPoDv7vVN7eKe/UcUI4fkDWGQWOx6Gp38pXbrq3… (844 chars)"
  }
}