Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBu4tTZPvIqFh2uOxbJ+sR+Tq7Ji3QzY27wZi6bJmf481kzDIo6H3Xdlz3j… (1,748 chars)"
  }
}