Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDfmLbF8wHbZrTcYhYWmwAuo/Cmut9aO9uWf5i0rsK5m1u8tmLuKnk9GVK7… (844 chars)"
  }
}