{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7f5647726bb2701daef81cba528761c7f0b904d57e2fb31556fc3777c7e8e834",
    "signature": "0x854e5766af005463e71d571d4931bef5f8e474cb88d4c3d6fe71b8bf2f1a891132c51e170cb3d6c06bc45718309213ec3dde446f533f10b7894cdb08f25a5ebe1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}