Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE8/euUJ3zYUIZZWlU8FXYKpfMm/vX+P4spTR6Xxu4G73JSuP7hBKhjBH6X… (1,748 chars)"
  }
}