Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAc5QNST2QuBMxVxd0nMgTEGgCzvcQIMcTp7UYGq9qqfHefFE/nCeH3hM1m… (1,748 chars)"
  }
}