{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc1525f1179fded77cc6b1d09dc671d4ddfbdb3fdb3ce6df9384b43bb0f6a766f",
    "signature": "0x719bcdc0bbb37aed439558701426d65bb47ca5c0ffb0771805cf70209f45440c193ef70814c9eb1b2f821cf75aab5f3d6198a3d70d48aa585e798b7fed411c4b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}