Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCFqbjBMg0BTc0Mo6hCiPABHUdZjew+WNTL/C8W1/bCZwv2v6cwl0BSw1j7… (1,748 chars)"
  }
}