Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAob4NMw95Uh51GxQ++T7cQoa/qznj+u1Ohu+4cW9hgcGxP7hyQZAw3QNMw… (1,748 chars)"
  }
}