Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE+ckCClSF/c6CwVv79+vzZFMj/ZHi+JD/rLf2pqrVUMF4SxdMIPdccaQRk… (844 chars)"
  }
}