{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8998732a222ef0046dfb562cf2b70c989bc367860f8e2b3547e1123e772e3d75",
    "signature": "0x4e73d9a7efbb74eee59719f200ccb71d0def45f0661244dd4bf658cb7c0ad82019a8d95b0ca107f24cacb32e53226914a798ecb2da812ab1da4f6dd5e1a8fe721c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}