{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x195340c2668d59094cc05d63c0540fc71735ea22877dfe95e419d3e1c30a32cd",
    "signature": "0x56eb3ac98c414f0ba07d7a64325aaf91d45f8b5c93592974882457442a49f2c22a94da8763316e7297f0332607f96be0d41e545528edda10e82f975f17764e0c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}