Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBtbv7itKW24uRrfZLGVE5xoFWtquPhMWJEQXa4fAq4J3rSvEAQuJQxBc1X… (844 chars)"
  }
}