{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x644c3a1e6e840260f1de2bf410b22149be8157cb142911451ff6bf3e9c5aaa45",
    "signature": "0xeb646650efc26de3db3d5d5896e0c78ed0e8c4741be5b356ac2192720b7644b777c1645b9edbce10fb3c9a2057559dc1cab32d43e66b2d64a89f91a689466f821c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}