Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDYNSxXfNlYN6GIZ8gfW0xho0e/6map5PBFXpxUNA+7LhCIiWx7UzdIvp6y… (844 chars)"
  }
}