Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDbN6D5S0GcbrnMHhVf+zccV/wmdGI8vR0VTvGALsi0mAFyqRgM5eYpf1aL… (1,748 chars)"
  }
}