{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3342315904d529de1dd80fe81b66ba075ec20ffcd05dd707d0dbf43a85474229",
    "signature": "0x01dc3e10b169efdf2fec5084b5105c7dc7821e3d9f51538f8f68222e2d74b98104b0a837970e7efd0918b899902c32f350c38b16c776650cf265d932d991c6fe1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}