{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfa60359a3a29f9121597b09daee83ba4b709523721a42d58608fd5a6a7f25de5",
    "signature": "0x9724094f2b75784be1e96a04525d7e7479094980322230be661fc1700da6a81909a488acc75bf165448b4e17bfb697eb976ed4adb62e9e8202d0a51a46d74a691b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}