{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9bf386a9f504c64bf72f0e7c3e932919dc179b36ba1aad035c61520199a096f0",
    "signature": "0x361f9b234f5da12d2e6b46d4ab5d6b99e6f0cc0c5dde387b65e0f84b01417c403cde4ea300b7e565d2585b33c9a5a06de2433c18aad40624da94aeb50ce65aae1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}