{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x6498b28a107766c409d754d2fb25dc20d9c95b31e18ca17dd027152f2019f1b1",
    "signature": "0xffa35a7b9e92475be4bede2a01458633a79de395c54821c57bd44886d19ac66e17270e25f6e793a017e90ac08c9344f469d0ca466cb75ef3ba26d4281f903c861c",
    "signer": "0x84eb2a9cEc5A6107060d141D4BB88003603509D6",
    "userId": "393111"
  }
}