{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x137231c6258a8ecc0bc38bdfd3bd2e7632adf4c2df30fc018b6f3f0901aba377",
    "signature": "0x23b0698140a0908c3dd7dc29413558ad0d1afaf9db5d585f9f2ecd2a5dba2d903a2392ac6254a8bf8149c2e82056b4ed311774dc13216a7509e3513348decbd81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}