Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAaeP/3eOkAa6vVBpb5UcwOwTSHN8ItTNe/dlWF6Mhw9CACcbmOOfKJjdHQ… (1,748 chars)"
  }
}