{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x74d1fff2ce3885952581d1045e3be676fb2d499cd53c1554cfb2bb44c8b7dd0c",
    "signature": "0xdaebd5f749bcfc147fb2528b7f4804873a20549491f0bd238073afa911c55905298d4889973be65f6aa907dd3b9ab66789dcea98aaeb163728c90a125a0cdd5c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}