{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2d287ca53f227526a62c8ffcfef087dbc82288a8696aefca625bb34ac0a0e84b",
    "signature": "0xe60037050ee3fbb6c281c76d4d8e2fb05f3f2c6fca8c948102f8c4959c46f43c6d46e34b7649ba5195c14bedf1c733d66be64e01fc852f5647ee74e1be91323c1c",
    "signer": "0xC8F3D6C3b566aFD0287b055538Af120d139E3421",
    "userId": "528522327"
  }
}