Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB6fiL5i5EJTRyFmRTETWTi9nxUaYZWfsQQICSNsqv9DV6mYQB7Fkv9qkv7… (1,748 chars)"
  }
}