Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCt4Mer8JELfhZ00YsexGDVDl9y5d/QxdmLjoCMR+ZmSFdkaE1Yav3j7PK1… (1,748 chars)"
  }
}