{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "54545",
    "entityType": "User",
    "nonce": "0x9dc5f99c6eeaf999ff23ccb56c7494af5b0672cf398101462bca7d3deb095c99",
    "signature": "0x719cc2de019a7746dd2f586c7ac4451ddf7a651ab3956d83d69993f6b73805af759095b7facd03e1cf4454d619791cdfc87387158aa2d198b5daf6990be56d6f1c",
    "signer": "0x84eb2a9cEc5A6107060d141D4BB88003603509D6",
    "userId": "393111"
  }
}