Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFnKL2R+hd6mR47Qp4FtKT0dpbkE5soH1Xf7wps8o6MtRy5r4/4xAuUgm50… (844 chars)"
  }
}