Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA8GleMbsRm1Jyf1FKrEcMtNX6xw0+s7hRcA3Lv6UKmLXakAsEFXGg1V/qu… (844 chars)"
  }
}