{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x834132ff92e42a6c6978b07b0d8c5ba0a627f7814c545068c0de1c1e996b07f9",
    "signature": "0xfc44db9bea076f95c82e4895995aed3b0f297fed98187dd149acdf6c861befb87fbd49f25cfc9012fadf4a43fd0d9d9825eaf5a881d9feca5d2ad769bc92ccc51b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}