{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x53e57ef6fa28c54ccac97bafa391b2c03ec581c5c9ee0c6e60aea7ec1ec64e5f",
    "signature": "0xf0bf0afec20215ce8a23430937a4e34770fdc15517b573eb1a340981750f01ad736f3faafd54a32ef49e8a066d1ab32f472e18bec3348aafe86d1ce5451077ce1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}