{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfebfcab76d8b31722cbe575c5e86374d69f809ab6b4249345d7e4dd02ca6242a",
    "signature": "0x495bc3fe94dc7c3b94988fde6dd63e1837e0abb7cd3edf98ccc511c6bcbaab076d9c51e6fcb02f8b0374d6f118666e9686a9c242ecb625d3ca3d0b07d5ad73581b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}