Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBtoCNv6GFgNdxNlMH0HTn1wU4UmJ8kd5cKswDYCcNmNhwSOFxD2gRl1x8B… (1,748 chars)"
  }
}