Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA7RshZgvL1zumIkZZB6zxu1IXDE2yv1FjhT3g/l/XDOR4wJUMY3ODRrN23… (844 chars)"
  }
}