Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCBQ8OJzLK+jt3/E0mnGXsVAPRy1v/2D1BQ3DySi3qHPXTS9dXc6k5Aycuf… (844 chars)"
  }
}