Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEGV9kgTQpwXg6/4i7AReWXaB8xqX/u3tFlZ5fp68d4AiULKW+zSC5+F+4p… (844 chars)"
  }
}