{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270209897",
    "entityType": "User",
    "nonce": "0x23063ad9f275376f5397b144c71205c8952521501fcf3629f9f791b7c707024d",
    "signature": "0x3aee7707979069045d3a23a0c2f3c725cd3a1cd2fa9fb5ba7ec36e1cee22d37f3c2305c39686d9b1edc5dea9dccac284cf2d01b86dfe8868b38b12802c865f181b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}