Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGnQDDb+FsYw6dHql2Jii8Eh6qZSDbN9Rs/FoWx5RjGkDTaELjYA4Q6qLKW… (844 chars)"
  }
}