Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDG2CnTCzDhRx7k4xpkO7U3sjw8+RtThWozpI7MM96DGGjy8dfBMf2I0x2/… (1,748 chars)"
  }
}