{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6f3bd0875f5f98c8ec4b364f6563d741fa2cbe7fa2c1e1090c994c80c9f9fcee",
    "signature": "0xa763e6a722c3267c55d829b8cfdcb51b466937885c0bd11ec754517b46e69c214959ce2e801759b89017c8fdd31e1c0726aba3528b06dc745790a39d449e9fd31b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}