Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQOiZ/SqOsChGhOm/EFsKwMZXO0T4FcNZEcagxuJBrMC2CgG+U0k39Xw6S… (1,748 chars)"
  }
}