Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGCI7GYb3p6hIuhv2a2nuexBtSp3rykGvqlmpCr8U+ww3DeBQl/Gzj9jmF… (1,748 chars)"
  }
}