Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFY/Wo30zM0jWKNT7kLPDwXKDfPTdgw+O+OO5G+k2HY4ED5qt7S8Rf7I9Zs… (1,748 chars)"
  }
}