{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x73d4cfb6168cd6ff88c3d62f011a5bbdaf68426a5350783a5ba53cf72284a294",
    "signature": "0x1e1a92d95038253f580c062a061dcd3f7423c2d21f849e098094b81111e120702e57a023d732dda9e7ec4b0560c737971e09887eb8df68d04e50a03c84836afa1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}