{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x30ba129a5f3247182f201be039ed6a7df7333cc8db2c485370c7dd10620f4c0e",
    "signature": "0x5acd5ef4fc7c34b561ebce58040f2004ab78c39ebe4d5e6016667b68fa4da3002860b8b772d0161f881cd9acb76e818615714301346f7ccc6a951f3cfedf31271c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}