{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa03399e8b2a11c70ca038b2a2160e3006b35760c1901fea7b2f8050fd39a0137",
    "signature": "0xeaba8d520d6d4559264ddb171350e0aea738833ff6774ade8e7c1a729e90f0ea13f10cfdc66bf8d9e6c62cc0c49e0c57b301d516d40650ea07d584b4127bf16f1c",
    "signer": "0x77Cb32Ef7Fb9093A26FF16CfB1f50A626A66D3B9",
    "userId": "868970945"
  }
}