Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDj5NcyeIXqLrKup4CP0fyHSU4F1ESqJJ9JN9vIdgI6gj8TbXFcbxAAImhg… (1,748 chars)"
  }
}