Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGTvKmuaa0bwXVKFc/0y/T+6PUAMxmGJRzUq3zGkUuLwnGEmTDg+9Jy8X9Q… (844 chars)"
  }
}