Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB3Vug9lxtZYtE3K0Tyf6Lzoi0eMuPqQk58UpA/9YxZKz9PvmAp9q+RmhKQ… (1,748 chars)"
  }
}