Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA9EvC2r86aTI+pPBwIp9DCCTh4E2wHBgHKV7Hfa0LXzR3ZeaBn/yGX9/vf… (1,748 chars)"
  }
}