{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x21453ce6107e394f4abad9e6d7e079732a834c0c6455d1596efc0e99ef9138b4",
    "signature": "0x2ad6f3062e4e518d5379f7cd542bdd23fd70b9f0fd1fa0690e8738fc2f2fbb0c634e8c96b5a4ee8a8db374a243f31d74c3e031d7350637e879bd6aac1c7993221b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}