{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xcbcaa56552e3d26247429c23245b19f47c70a85fd58119c75240dc3f6e2855be",
    "signature": "0x5b7cfd1265d0ac9509e5991fcecc7616b789f23b30c8f8e10cf94a5b773e71ec43ada2df43f54671b6f0b0d4a53629ba49e77d2d58f3ace72c6bcbcc79b35f5b1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}