{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1b04978fba6ff5f58940763ec0a8e0cee5682218185c5b62d87a98398614a463",
    "signature": "0x69c2c918c128a7743efa656f0355242f54b1a4529bc1f52c95125a7bc6b5be966b57b5e618c0e96c699cd1e77b99b55016eeee6f30cac8a6c3336bed63c263fa1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}