Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDmaFnSfxesNlYX3z7oQKTkUkR3qN8Wk3o2DoHN+Ga1KnksmK6JUIdjSdF2… (1,748 chars)"
  }
}