{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139753",
    "entityType": "User",
    "nonce": "0xf4348c4e3cfcbee9be0b724d72da9d93cee2a490852acaf72dacf586e0877760",
    "signature": "0x40f8dfc978543b6f697a15038b2a7794ff649dece52b8cf22ba349a388d765c851e62847bea6f4b797942309eb2537caf5ce1c5e0f456daa490025e04a8051d61b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}