Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0cbwyIZ7N0hYcR+TvMH2DYVs3bSTrPks4WdRnchmux3b0/N3TyNTLrwH6… (1,748 chars)"
  }
}