{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf5ac9dd7c6f4707b2cd5c2a229b54def28c6de8d7b6e248c7f7e38658f52ed63",
    "signature": "0xa8dfc328ca1dce4dd2f370a0e3901ca4cf9e41cc6edefb3bd694df24ee17807c136b76bcbfb2e4418fbc7e3101f1d96fde188df8df320ed16fcfeec9bd0291f01b",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}