Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/ZHhYSE/dtw6cUBGPP+b6i7DfGYPM1DDpHXiQJsC+pm6gxecsP8vxUOhn… (1,748 chars)"
  }
}