Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFu2O2Rg4xx8vF1sIk53ojW0YrjuJOgVc2jZnhE+yre3jcEC+vxXC4uOgAF… (844 chars)"
  }
}