{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593031615",
    "entityType": "User",
    "nonce": "0x1869bf02032119899295c902e74b91c0f0841e133bb4fdb268a58d68a94624c1",
    "signature": "0xa2005fb44e143c3e763070b292df248309f1e782ba7142029315e17893f7b28306900e1a876012705c40473c86c23bebdc603953150ddb61eaf423e4302d32041c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}