Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEDk8JxCbkwgZ9HpdhyK9dz4Z0RegODfqXkWNixdio5rlI8/+7YnLnkCJHk… (844 chars)"
  }
}