Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+fO8yws1R6u2UCAZAd57Vg73vfDNxk1ZsxetMzgHb+hK+eHyF3YTA38Sn… (844 chars)"
  }
}