{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0xd1a704644418d1b1ea7d1933fcc3c22c4d63ad6740bdd53e359c6ae323e7a545",
    "signature": "0x9e50d0bd2bb506301dcb7a1b0a8fe0edbc29cbf01cd51ecfe1935a35177cf07a5967568b704c920444f0e5849688613ad2cfe43839b297b3459f7d943e43272f1b",
    "signer": "0x76D835c7098622Bf793eDe5BeE5C3bF493eaCFf8",
    "userId": "194229"
  }
}