{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x83e937dae7a15cba4072826962a385407069c0c7f8ce5218622faf74a6432c2d",
    "signature": "0xcfd1a4dd6ebdba676734b00a618658e76383e837be2f9a4bf7e192d0c6c7290c4fda4335fc53d5df984f12fe5f29e732ed860dfec3439176934f94364e667f851b",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}