Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF6HzF435xUo2oEvHmo4gkKTbrVZGODY8hfbzrDlmLCal1g2nE8zsbd0Pfs… (1,748 chars)"
  }
}