{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5bb0015dbb1a4bd98bbbe6f0b017ffff310633e61bf2694d82089507a485cbec",
    "signature": "0xa2542cf3effe5b01ea512b25e994f92ad0c555b3fd09ed56dd6dc36b47db29b738faa1c6e19fd951a7f2af236da52ff747cb297186b03f332ee2587a58fadce41c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}