Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFtGZchIsAP/XCXKXXW3+5fobDqzqWEHa6Zl4qZ0PvMEVcFEe5R16UHAllJ… (1,748 chars)"
  }
}