Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAy20NfqnuFsb7l2DrL3yHQDmf1v5BxJLuOC9tRaoguY0EvhM+ZD5BPG+XY… (1,748 chars)"
  }
}