{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1b0dd54a0f800b70fe76f649f01f4b5c492bb0def3955d23bb761b35c43a3a49",
    "signature": "0x27c834dc49965dadcb399347ec1e0a59b39faec334f1248c086fa7410fd9ecd7256023e2d97250fa318026c1449c53b1c5cb7291b84cd8644931eace434b55811b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}