Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBEO7/UYvtGS07Yu/CbJoHc/AK3xxhXnCZ3pGkYK6MjCQQfzk76zA2TBaKQ… (1,748 chars)"
  }
}