Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBtuSLhhCl+eXEdS746aGxpipImmLSBxA8FVqX3VPipJQ3H+jnLKGcQ4KF/… (1,748 chars)"
  }
}