Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHP8bUmkVxKGRq/xpQZkmMQCgJXXkgWm4ywIwAb7/sFuTEPJwJH6k4sqUpL… (844 chars)"
  }
}