{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe89b943dbc601bf45eb81b0a10de68639c1dedffccec8ecc64f558a68aa90dde",
    "signature": "0xa04e950f09b509b0be1d7d74f416a0a844e0e6de7e0ff6138840469f23ed00c3064ffbd0ea2072fb7c6af4a5c9b3663485fd4272d4f081b5b572e7a4946c8b9c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}