{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7636cd15c3b20b39e73b8cbbc8dfeb4a5bf1c8ed2e8a316845ef5dc101ceb869",
    "signature": "0x4a7ba87fa370ec3de45a66db005777f59c0c6a60c792160e61a718ff74edc94600ef48cda45b4284f9b694eb1fd60a456b97c289836dd01681bd5b653fce5f861c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}