{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1b6cc54e489e2081854fd9b1b6ac736fe0a84fe99987e5d42faf21cc98d1add8",
    "signature": "0x00bfe3f5296f20c9fb2f02f1cd263b7a839c0c649bb984a5c80dceead26552be4de9e1e7309e7dff70cccb17200b97caef91dcae73b4118c4f56ed39020eed7b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}