Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDfU6n21bj/qqMQBp++XbGKLVFNBNO9RvOP2l4oxKq6zH+KmizMqYK5jVZA… (844 chars)"
  }
}