{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xce5cd5cab87d246b8c096935a3ac8d1d43b8d871b25d0aaa4ce6836c87582b6a",
    "signature": "0xc4271b89fc9d92bca8eb9e28f53a3b2b1c1d5ba6b0fa13d0c8c117d524b2f6807c6907c375c9223a50264f51c05b72fa08506f95950c62cf8701515a48f1a56b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}