{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x153938c284e97fde1d972e07bc9e7838dc93476e2917d9c169366e00e4d02f8b",
    "signature": "0x0b34ae3060a2d31f8fcbb71ee2075a360c1a0dc372c12fc6fd728a8101cf87d005f5bceac625dc3ccb8504eee73b58bace8277b12948b2fcc107c7ee3db8b74f1c",
    "signer": "0x5AA75bC827165e10aC2D9B6402125fdBf5Df8E6d",
    "userId": "281087619"
  }
}