Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwLuuGO8cJCIGD/NAfiOvKEIhNjC/qbdOdys9y0XoqIIAkop/Ctxb7HxlfCN… (844 chars)"
  }
}