{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1259156444",
    "entityType": "Track",
    "nonce": "0x1491a12f5ec5903826be4b7f54c7b44d66c28c7f6155ac10023ba0075de1e1b3",
    "signature": "0x28902b64cedc8d5a10a70daef08a216fba400f3d649d38569b52f23bc0196a84279a7e74a9209b1278363e0b6bc22afac0b724ef6b344181c8a2732fe556d35e1c",
    "signer": "0x3cc3BbB11F960D34352a58591FEbF76ffCd52817",
    "userId": "128055489"
  }
}