Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEBbBuExdQEL/Gf+OCEHfKRVfB/quyBzPJBJwleTpO8Wj+wZ1iWUtPl2UUg… (844 chars)"
  }
}