Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGIkWwjEYmvegbhJoqSMoTQtjRLDc/PBc4xgKeByaZZ5go8qhPV8A8Bh1b2… (844 chars)"
  }
}