{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x570c5b513c56cee75763f8c1544717ec39032306389b353bfa112bd7dba3cce0",
    "signature": "0xcbef4de7a4c83caf246822b9cb5a21da0b59a14f4c4760f476e8a0084322e5323f751fcc1f1ee0e62e9aa370179dfd5a79743aa61b3a6fe5be1549bc564f2bf91c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}