{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396577",
    "entityType": "User",
    "nonce": "0x692d02ff09b4a83ee31e51599e0764c8c1894a2c41143a11a05ae99f320178f7",
    "signature": "0x946d3304be50ff04a25dc41fea6258982efa2d9fa8c86109822cd82dbf4989201ac4c8516ef608c4ddf1de70838658a5190881ac341f195a57026b5acdd193c21c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}