Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA2935tcd8+oVWdh2Y+LyIIQ6vtEDHB0zxlN/Bz4CyZ/G3xdrHPYRejA7bV… (844 chars)"
  }
}