{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "558452493",
    "entityType": "User",
    "nonce": "0x471a0d94dcb9fe3d14206e9cc3e1926c893a5854a75635a3af2e0af816f0407d",
    "signature": "0xe93341087bb2ebdbacc2d9d562741b37406b6d683361f2ae7a711f7cdbebf7b410a265eda90cb15feacbdc730ae14c213389ff52533336cbbec6c8e05968b4ac1b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}