{
  "manageEntity": {
    "action": "Delete",
    "entityId": "16954",
    "entityType": "Track",
    "nonce": "0x74dd5da00c03252284ac49e5bc02b8e6e2087e4f243d1e7fce8964ac465179e3",
    "signature": "0xbbad1f06776e275fa7fd3c08ae4e0b42c135f70cf6efd4e94cadf42b61de70ac2bc54473a637f9794170813f35cf5e3a7e6e64961339f82b298943f4e8a28e721b",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "124"
  }
}