Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEnvw7N1q8QxaC9/iurTlxpJgZ4pq59KiIiE6MHuwvnzH4gSbjKdGMgG3cH… (844 chars)"
  }
}