{
  "plays": {
    "plays": [
      {
        "city": "Sapporo",
        "country": "Japan",
        "region": "Hokkaido",
        "signature": "0x6a43ad9e5e5d5f2e9d65c1b5e5e90e976ac2bcfebb4c1b5fad6891c70294a7f028e1454e018d98ec11339d182f7f9867ea31e7feb540ff2c15f2406ea9a29a3d01",
        "timestamp": "2026-08-15T08:21:52Z",
        "trackId": "1457006689",
        "userId": "931030763"
      }
    ]
  },
  "signature": "8cbf29eed7fd63e7ea95f4d354c8b2e86773db72933e9c607c969e7d79c8c20668c3121e900d0ca3b44e510100b5d8c6322f3612fcca92fa07ef2a92f9a8bab501"
}