{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1447dcca2dd1d098b7250ae51189f5b7690c389db3c4d0a5fbba8fd43fb04b7a",
    "signature": "0x8cfef3b4ec5451d95d05ce1a7edecd4cf7bfc1ac46cdc4e70082195b2c94f1e71b862a40357c2d9b330c27172bc4aa615478c1182179a540d8ff7385ccc428bf1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}