Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDbbD15t6Lzb6ksIVH7iEMF5LVoQqKnbWIxrie1O3+xI2nVbsykjd+rv4xF… (1,748 chars)"
  }
}