Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBu2UQjEYRwP/HWxhMO60fSMxlst59xDtWHVOCdBq2xdxM7DorIKxbLZYOq… (1,748 chars)"
  }
}