{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x97ad0c213f7ed8a591290b2f724563c25455ef432438e4a3449d89a57e7b6695",
    "signature": "0x5a2b33d648742e812130192cd77917f8e3f6481b62b9e961b82f824ea513535f0ec586243fe8c2949b21f02e5788496f5722599f2b02c28c2133054655fe28e21c",
    "signer": "0x536d6C3fe1604AdDF6acf40Cd65aAC6bDcAed073",
    "userId": "582491184"
  }
}