Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFAE3QrVZ7+z0lXLUYgRnG/N6W8decbtOi2VrBYt+QJ6QDqvf8fBPhs5OAo… (844 chars)"
  }
}