{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2ee60d3e0e1ce938407efa7327d118db2223c0e59b6721efd73051b22a0ce86e",
    "signature": "0xa7a4cad09fc5e9829a3d6efa563c98a0451a501c6f9b257d2cf0165a0531e4d002096420d623c42825f8e632a415e3b9aa2fd32a9192b042e7ac0653b0979a961b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}