Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDbzJSBSVcMWGu9dRdveuJ36xpHYbF2Jva0iYYc3gik8iEV6u/CK7twJGWI… (844 chars)"
  }
}