Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFUHCt7arRK6uyLtW9/sS7q+BCUBGC/wty0NaE/TLGzkBmLNmj/t/u0RKn9… (844 chars)"
  }
}