Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDOUsyrWmB7m8Q16BETK1fSurjnCipv4rWCfzpqdBnVEHSOMZgMBcJ1oBmw… (1,748 chars)"
  }
}