Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDJ489KQxGOyd6EdGRqaZmS/hMR8ZJPKQNFdpnDXB/Zi2bgoojyzVD8GcfQ… (1,748 chars)"
  }
}