Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFuKgIm22cjPwGcuY5rPCU+e44gWXSUiIJaC1z98IhkQQeWfA707Nn636NJ… (1,748 chars)"
  }
}