{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xa5cdd6ff4570a998a8afd2a172eeef664a85e87e7e7b0a814a5ec2702c7766f1",
    "signature": "0x349bfafce451c26439bfb89d0ea86ae9f5c743ccece1148bd258cc4bcdc6acf94e5c45f82a2cd9ecd533c8a513e515b55cc88fa0a1584ce55b02ce3f3fafd3541b",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}