{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20512",
    "entityType": "User",
    "nonce": "0x4cc358ce28b7fa33554f7848af28a12ed6483aad04976fb0232d86628868be80",
    "signature": "0x90d892e81dee96877a38b22830c89ca2ad319c86bea506431317b525ab4990c4209bacf5e7fd59623e76369509ec5972b89427bd0d5f3b6195130ac476e444381b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}