Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD+Dx1IY7AKOCuMoDvMk816zeCFtVCuqj8D/Gg0NcJCbkEr8DwYZ2Y8P3IS… (1,748 chars)"
  }
}