Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEHwoAqUq2V9BvWFNdwFhGRvgkQ2jHtz8rN7PuGHnUZ6BhvTunjYc4KQlB4… (844 chars)"
  }
}