Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHkMHGZNhCY8m6Pp3RMnIkZL+8MZLyfRu2hLNcUvnDulHQbb7qBZwZ9A9W7… (844 chars)"
  }
}