Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHfV7J1fXPPcRhq8Tv1qC0NlzVHoi4507qTf7lWQ8preBGaqNDOQdbzJ0Xq… (1,748 chars)"
  }
}