{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdd0862e9de4e55ff8a6388dc9583cbf6bc74b45b176a49525b0d93d5f672fcab",
    "signature": "0xc9956e435e30a390cb0295c0a6a2e553ba87f0e1745adb4d8bdcae2bde4cd03f5e0e00118569e012cd62fdecba28c66dfdddecf023613ded6a2801b7cc43d32d1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}