Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCd2aIB0sfCX/U1n5HrGpbY+GcM0CjMZwCq8ujGAdowahNhkn+SZ7Bbt795… (1,748 chars)"
  }
}