Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCMBpMH+0A/pVb8eXv8xdm3ngRpFByW4gzzR38Lpg1qSmD+1B8lsbfnKtmF… (1,748 chars)"
  }
}