Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHpS4kwny4dSkLrDQtshSPTUYe+6C59Uv+Kyy44ZZXE5lz6MpBRR/FFXA9M… (844 chars)"
  }
}