Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDJhJ8aUzL9R1p7nPqQEhMe2DGuwJs5W+fpbKzABNkQkhRczpo1e0MCt5zJ… (1,748 chars)"
  }
}