Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJjMmqk/1Rcd+Z7knYbCfMr0R+16DfrxtvB3UhBvdv0lnSRYvsbqdzDGYVV… (1,748 chars)"
  }
}