Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHZWwPGqmDFO8Q6C6kIrSNMYmvMwR5YdxMb7rTMaP4uQGacLnm9WXAW9mcZ… (1,748 chars)"
  }
}