{
  "plays": {
    "plays": [
      {
        "city": "Tsukuba",
        "country": "Japan",
        "region": "Ibaraki",
        "signature": "0x845679d5834f107b4a085271d97e00851e37a112aad6c7b5336198a4dc9ac1a173211dabf61b5fd35ebe71600563b12f3e589d7166f90a91ec5901c5ad47694500",
        "timestamp": "2026-05-09T05:03:56Z",
        "trackId": "223449071",
        "userId": "0xe6c00e7e8d582fd2856718a5439f1aeeb68e27e5"
      }
    ]
  },
  "signature": "0245346fc4ea90c0855c0391c06b5fe28f47178b93151188e39799e8331b98312450933fb02d0c21e6143bb366537c4d869c184da495e655aff98adad6b842a900"
}