Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH5qpWpEy6IOZs+yESje1Rc/p9hl36QDeID1aDZOyN/FTL9B+GijiV3D1aO… (1,748 chars)"
  }
}