{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0x67b8c957cf595034a34d031e8934c1f2cdb02f9cf12867dd656f23ccc8276be1",
    "signature": "0x9170ee8e3e325fee57d2c4ef20707eb68fc5974bf1f59f149363621194e2f476739932cb2f6059d2b0d970d11dc475bf30ce9c731457a6aa215e3e4cd5ca785c1c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}