{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2dfa8afccf42a87f9db3896f050fac3c923fefce50a7e13ea104e08327e32310",
    "signature": "0x4cc0a1f03247cbf4b6f18309acb43c91f82a2d61fe878704af79149522803e187516db5c4dc3a9a8fe13bb415a9a6ea5d8aca62cfb51dc9d098c51e383486bc61b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}