Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGc9JAIHcYTYulcRz92+l+QlXs0xzL4rRGKdysLHi/5kjuq9LQDDgnCX5P8… (1,748 chars)"
  }
}