Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBEuhBIVzHzOYSgsKN+ESZ8+/eX4SQOYRfRDeUCEjiGm3hD8LUzT9PfuuFJ… (844 chars)"
  }
}