Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBYzxZFNyajo+QfzwLcAaqhJBsmHtZVh3/aLMt2jvUjhVUrfPiCvN7YpJ7Z… (844 chars)"
  }
}