{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xac70fa032b1e6a0c56fcaf63c61d2d06d840d89bf258d946b94868be110da9da",
    "signature": "0xb0ffd538c56efc54820c889d2a89931d8c62c3d6509377f2cd06820778dc55715f4af3a2114b26081fc780173a04c38af7d83acbde2a1674204b171908c253711b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}